how long的用法How long _____in China?A.have Mrs.Wang stayed B.did Mrs.Wang stayed C.will Mrs.Wang be stayed D.was Mrs.Wang

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how long的用法How long _____in China?A.have Mrs.Wang stayed B.did Mrs.Wang stayed C.will Mrs.Wang be stayed D.was Mrs.Wang
how long的用法
How long _____in China?
A.have Mrs.Wang stayed B.did Mrs.Wang stayed
C.will Mrs.Wang be stayed D.was Mrs.Wang

how long的用法How long _____in China?A.have Mrs.Wang stayed B.did Mrs.Wang stayed C.will Mrs.Wang be stayed D.was Mrs.Wang
A)Mrs.Wang 第三人称单数,应用has stayed
B) did 加动词原形应是stay
C)be stayed 表被动错了,应该是will stay
D)按我们的正常思维,应该是 has Mrs.Wang stayed 但stay是短暂性动词(也叫瞬间动词)be in其实意思和has stayed意思一样,只不过它是表状态的延续性的动词 所以选D
顺便话多句,did stay也是完全可以的did stay只是纯粹表问一个Mrs.Wang过去做过的一个动作做了多久