题目内容
根据所给汉语意思,在空白处填入一个适当的单词,使句意完整与正确。
他们正擦地的时候,有人敲门。
________ they were ________ the floor, someone ________ on the door.
答案:
解析:
解析:
While, sweeping, knocked |
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题目内容
根据所给汉语意思,在空白处填入一个适当的单词,使句意完整与正确。
他们正擦地的时候,有人敲门。
________ they were ________ the floor, someone ________ on the door.
While, sweeping, knocked |