Ann was very surprised to find the door unlocked. She remembered.................it before she left.

Câu hỏi :

Ann was very surprised to find the door unlocked. She remembered.................it before she left.

A. to lock

B. having locked

C. to have locked

D. she locks

* Đáp án

B

* Hướng dẫn giải

(to) remeber doing/having done something: nhớ đã làm gì

(to) remember to do/to have done something: nhớ để làm gì

Dịch: Ann rất ngạc nhiên khi thấy cửa mở. Cô nhớ đã khóa nó trước khi cô rời đi

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