题目内容
用所给动词的适当形式填空He______(watch) TV when his mother came into his room.
答案:
解析:
解析:
| was watching;表示在过去的某个时间点正在进行的动作,要用过去进行时。
|
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题目内容
用所给动词的适当形式填空He______(watch) TV when his mother came into his room.
| was watching;表示在过去的某个时间点正在进行的动作,要用过去进行时。
|