Someone ----at the door while he----TV last night.A.was doin

问题描述:

Someone ____at the door while he____TV last night.A.was doing,was watching B.knocked,watched C.was
1个回答 分类:英语 2014-09-17

问题解答:

我来补答
knocked,was watching
while 后接延续性动词
 
 
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