What ____while Linda was watching TV?A:was happened B:happening C:happened D:happens为什么选C啊?有什么语法点么?谢谢各位了

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What____whileLindawaswatchingTV?A:washappenedB:happeningC:happenedD:happens为什么选C啊?有什么语法点么?谢谢各位了What_

What ____while Linda was watching TV?A:was happened B:happening C:happened D:happens为什么选C啊?有什么语法点么?谢谢各位了
What ____while Linda was watching TV?
A:was happened B:happening C:happened D:happens
为什么选C啊?有什么语法点么?谢谢各位了

What ____while Linda was watching TV?A:was happened B:happening C:happened D:happens为什么选C啊?有什么语法点么?谢谢各位了
选C
A happen这个词没有被动语态
B happen能用进行时 但进行时是be doing
这选项里没有be动词
D 根据后句Linda was watching TV可判断询问
的是过去的事所以用过去时

C
happen是瞬间动词,不动用进行时
又因为后面是was
所以happen也要用过去时
则选C

C
happen 是瞬间动词,不能用进行时;
因为后面有was,happen也要过去时,即happened.
故选C。

happen是个瞬间动词,没有进行时态,所以B不对。发生这个动作没有被动语态,所以A不对。was watching 是个过去时态,所以前面也要用过去时态,所以D不对。