Choose the letter A, B, C or D to complete the sentences with given words
If/ people/ breath/ contaminate/ air, they/ have/ breathing problems.
A. If people breathed contaminated air, they had breathing problems.
B. If people breathed contaminated air, they would have breathing problems.
C. If people breath contaminated air, they have breathing problems.
D. If people breath contaminated air, they will have breathing problems.
Đáp án: D
Giải thích: câu điều kiện loại 1 “If + S V(s/es), S will V”
Dịch: Nếu mọi người hít thở không khí ô nhiễm, họ sẽ có vấn đề về hô hấp.
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People use a lot of vehicles. The air is polluted.
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If you don’t stop swimming in that lake, you will have a rash.
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The soil is poisoned because farmers use too many pesticides and herbicides.
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It’s very wasteful to apply lights in almost everything at night.
Choose the letter A, B, C or D to complete the sentences with given words
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