102 câu trắc nghiệm Thì quá khứ tiếp diễn (Past Continuous) có đáp án
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What did you watch on TV while you ________ dinner yesterday?

28/102

What did you watch on TV while you ________ dinner yesterday?

were having

was having

were having

was having

Giải thích

Chọn đáp án: A