102 câu trắc nghiệm Thì quá khứ tiếp diễn (Past Continuous) có đáp án
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She _______ her car keys when she realized they were missing.

56/102

She _______ her car keys when she realized they were missing.

was searching for

searched for

has been searching for

Giải thích

Chọn đáp án: A