102 câu trắc nghiệm Thì quá khứ tiếp diễn (Past Continuous) có đáp án
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My cousin and I _______ on the computer when there was a power cut.

94/102

My cousin and I _______ on the computer when there was a power cut.

played

did play

were playing

have played

Giải thích

Chọn đáp án: C