题目内容
【题目】Nancy _____ playing the piano at 7pm. yesterday.
A. practised B. practises
C. was practised D. was practicing
【答案】D
【解析】
试题分析：句意：昨天晚上七点钟，南希在弹钢琴。在过去的某一时刻应该用过去进行时态，其构成为：was/were+doing，依据句意，答案为D。
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题目内容
【题目】Nancy _____ playing the piano at 7pm. yesterday.
A. practised B. practises
C. was practised D. was practicing
【答案】D
【解析】
试题分析：句意：昨天晚上七点钟，南希在弹钢琴。在过去的某一时刻应该用过去进行时态，其构成为：was/were+doing，依据句意，答案为D。