A/An/The vs. No Article – English Grammar Exercises for B1
You are a news anchor reporting on the effects of climate change on our planet. Choose the correct article (A, B, C, or D) to complete your news broadcast naturally.
1 “Good evening, and welcome to Global News. Tonight, we are discussing the severe impact of climate change on ______ Earth.”
(A) a
(B) an
(C) the
(D) no article
2 “Recent studies show that ______ environment is facing unprecedented challenges due to human activities.”
(A) a
(B) an
(C) the
(D) no article
3 “As we all know, ______ global warming is accelerating at an alarming rate.”
(A) a
(B) an
(C) the
(D) no article
4 “If you look up at ______ sky in major industrial cities, you will often see a thick layer of toxic smog.”
(A) a
(B) an
(C) the
(D) no article
5 “To understand this crisis, we must look at how ______ sun interacts with greenhouse gases.”
(A) a
(B) an
(C) the
(D) no article
6 “These trapped gases are slowly destroying ______ atmosphere, causing extreme weather patterns.”
(A) a
(B) an
(C) the
(D) no article
7 “Experts warn that ______ air pollution is responsible for millions of health issues globally.”
(A) a
(B) an
(C) the
(D) no article
8 “The melting of ice caps at ______ North Pole is causing sea levels to rise dangerously fast.”
(A) a
(B) an
(C) the
(D) no article
9 “Even ______ moon is visually obscured in some regions due to the heavy smoke from forest fires.”
(A) a
(B) an
(C) the
(D) no article
10 “It is undeniable that ______ world needs to unite and take immediate action.”
(A) a
(B) an
(C) the
(D) no article
11 “If we fail to act, we will leave ______ terrible legacy for our children and grandchildren.”
(A) a
(B) an
(C) the
(D) no article
12 “Earlier today, we interviewed ______ environmental scientist about the rising ocean temperatures.”
(A) a
(B) an
(C) the
(D) no article
13 “She explained that ______ equator is experiencing the highest temperatures ever recorded in modern history.”
(A) a
(B) an
(C) the
(D) no article
14 “We must ask ourselves: does humanity have ______ clear solution to this massive crisis?”
(A) a
(B) an
(C) the
(D) no article
15 “Fortunately, ______ nature has an incredible ability to heal itself, provided we stop destroying it.”
(A) a
(B) an
(C) the
(D) no article
16 “We need to invest heavily in ______ renewable energy sources like wind and solar power.”
(A) a
(B) an
(C) the
(D) no article
17 “Governments must also pass stricter laws to protect ______ ocean from plastic waste.”
(A) a
(B) an
(C) the
(D) no article
18 “On a local level, planting ______ trees is one of the easiest ways for communities to fight carbon emissions.”
(A) a
(B) an
(C) the
(D) no article
19 “Every individual must take ______ responsibility for their daily habits and carbon footprint.”
(A) a
(B) an
(C) the
(D) no article
20 “Thank you for watching tonight’s special report. Have ______ safe and peaceful evening.”
(A) a
(B) an
(C) the
(D) no article
ANSWER KEY & EXPLANATIONS
1 (C) the
Why it is correct: There is only one planet Earth that we live on. Because it is a unique entity in our universe, it strictly takes the definite article “the” (the Earth).
2 (C) the
Why it is correct: “The environment” (referring to the natural world as a whole) is considered a unique, shared global system. We always say “protect the environment”.
3 (D) no article
Why it is correct: “Global warming” is an abstract, general concept. Abstract concepts used in a general sense take no article.
4 (C) the
Why it is correct: There is only one sky above us. Unique natural features require “the” (the sky).
5 (C) the
Why it is correct: There is only one sun in our solar system. Unique astronomical bodies always take “the” (the sun).
6 (C) the
Why it is correct: The Earth has one specific atmosphere. Because it is a unique layer of gases surrounding our planet, it takes “the”.
7 (D) no article
Why it is correct: “Air pollution” is an uncountable noun used here to describe a general global issue. It requires zero article.
8 (C) the
Why it is correct: There is only one North Pole on Earth. Unique geographical points require “the” (the North Pole, the South Pole).
9 (C) the
Why it is correct: Earth has only one moon. As a unique celestial body in our immediate context, it requires “the”.
10 (C) the
Why it is correct: We all share one world. “The world” is a fixed, unique entity taking the definite article.
11 (A) a
Why it is correct: “Legacy” is a singular countable noun. You are referring to one possible kind of legacy. Because “terrible” starts with a consonant sound, it takes “a”.
12 (B) an
Why it is correct: You are introducing a singular profession/person (one scientist out of many). Because “environmental” starts with a vowel sound, it takes “an”.
13 (C) the
Why it is correct: There is only one equator dividing the Earth. Unique geographical lines require “the”.
14 (A) a
Why it is correct: You are asking if there is any single solution. It is a singular countable noun introduced for the first time, taking “a”.
15 (D) no article
Why it is correct: “Nature” (when meaning the physical world and its phenomena collectively) is treated as an abstract, general concept. It takes zero article. (Note: Do not say “the nature” unless you mean the characteristic of something, e.g., “the nature of the problem”).
16 (D) no article
Why it is correct: “Renewable energy” is an uncountable, general concept. It takes zero article.
17 (C) the
Why it is correct: When referring to the global body of saltwater collectively, we use “the ocean” or “the sea” as a unique global feature.
18 (D) no article
Why it is correct: “Trees” is a plural noun. When talking generally about planting trees (any trees, anywhere), we use zero article.
19 (D) no article
Why it is correct: “Responsibility” is an abstract, uncountable noun here. To “take responsibility” is a fixed general phrase taking no article.
20 (A) a
Why it is correct: You are wishing them one safe evening. “Have a good night / Have a safe evening” are standard phrases using the indefinite article.
GRAMMAR POINTS TO REMEMBER
At the B1 level, you must remember that The is used for things that are completely unique in nature, geography, and the universe. There is no second version of them!
1 Unique Things in Space & Nature:
- You must always use The with: the sun, the moon, the earth, the sky, the universe, the atmosphere, the environment, the world, the ocean.
- Example: “Look at the moon in the sky.”
2 Unique Geographical Points:
- Use The for specific, one-of-a-kind points on the globe: the equator, the North Pole, the South Pole.
3 “Nature” as an Exception:
- Be careful! The word Nature (meaning the natural world of plants, animals, and landscapes) is an exception. It is treated as an abstract concept and takes No Article.
- Correct: “I love spending time in nature.”
- Incorrect: “I love spending time in the nature.”
