100 câu trắc nghiệm Thì quá khứ hoàn thành tiếp diễn (Past Perfect Continuous) có đáp án
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When she went out to play, she (do / already) her homework.

90/100

When she went out to play, she (do / already) her homework.

Had already done

Have already done

Already done

Has already done

Giải thích

Chọn đáp án: A