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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Remember___________ the door before going to bed.
A. locking
B. to lock
C. locked
D. not locking
Remember___________ the door before going to bed.
A. locking
B. to lock
C. locked
D. not locking
Remember + to infinitive / V_ing
Phương án A không phù hợp về nghĩa.
Phương án A không phù hợp về nghĩa.
Đáp án D.