She had just finished her homework her mother asked her to practise playing the
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She had just finished herhomework________her mother asked her to practise playing the piano yesterday.
| A．when | B．while |
| C．after | D．since |
试题答案
【答案】
A
【解析】这题考查句型：had done…when…“刚刚做完…这时”,句意是：昨天她刚刚写完作业，这时妈妈叫她弹钢琴。选A。