Câu hỏi:

23/07/2024 958

If John __________ an alarm, the thieves wouldn't have broken into his house.


A. installed                        


B. has installed             

C. had installed             

Đáp án chính xác

D. installs

Trả lời:

verified Giải bởi Vietjack

Kiến thức: Câu điều kiện loại 3

Giải thích:

Câu điều kiện loại 3 diễn tả một giả thiết trái ngược với quá khứ.

Công thức: If S + had + Ved/PII, S + would/ could + have + Ved/PII

Tạm dịch: Nếu John cài đặt chuông báo, thì những tên trộm sẽ không đột nhập được vào nhà anh ta.

Chọn đáp án là C

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