People use a lot of vehicles. The air is polluted

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Rewrite sentences without changing the meaning

People use a lot of vehicles. The air is polluted.

If people don’t use too many vehicles, the air won’t be polluted.

If people won’t use too many vehicles, the air don’t be polluted.

If people wouldn’t use too many vehicles, the air didn’t be polluted.

If people didn’t use too many vehicles; the air wouldn’t be polluted.

Giải thích

Đáp án D

Giải thích: Câu điều kiện loại 2: If + S +Ved, S would V

Dịch: Nếu con người không dùng quá nhiều phương tiện giao thông, không khí sẽ không bị ô nhiễm.