Ann was very surprised to find the door unlo...
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
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20 Đề ôn thi Tiếng Anh chuẩn cấu trúc có lời giải chi tiết !!