You remembered (A) locking the door (B) before you left, (C) but you forgot (D) to close the windows.

Dung Duong

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You remembered (A) locking the door (B) before you left, (C) but you forgot (D) to close the windows.
A. locking
B. before
C.but
D. to close
 
Đáp án: A
Giải thích: sửa locking ⇒ to lock
Dịch: Bạn nhớ khoá cửa trước khi rời đi, nhưng lại quên đóng cửa sổ.