If people ____________ after their houses properly, the police wouldn't have so much work

Câu hỏi :

If people ____________ after their houses properly, the police wouldn't have so much work to do.

A. savor

* Đáp án

A

* Hướng dẫn giải

Đáp án A

Câu điều kiện loại 2

If + S + V (past tense), S would + V

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