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1、A:_____the sports meet might be put off.

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1、A:_____the sports meet might be put off.
B:Yes,it all depends on the weather.
A I've been told B I've told
C I'm told D I told
我解:我认为无解,应用将来时才对吗?A
2、I still don't know what _____ while I was away from home.
A had happened B was happened
C has happened D happened
我解:我选C,先离开后才发生,was是过去了,所以选C.
3、My parents are upset because they _____since they got home.
A argued B were arguing
C have argued D have been arguing
我不知道怎么下手
4、The boys____.That is why their hair is wet.
A have swum B have been swum
C have been swimming D swim
我解:D C
1.怎么会用将来时呢?从后面的might be就可以看出来应该用完成时,而且是我被告知(也就是事情是别人告诉我的),所以选A
2.你既然都看到有was了,为什么还选C呢?最起码错选了A还是情有可原的.但是这里,while连接的两个句子之间是并列的关系,所以不用完成时,只用一般过去时,而B用被动则是犯了常识性错误,happen是不及物动词,所以选D
3.since引导的从句如果用一般过去式,则前面要用完成时态,排除A,B,选D是表示争执的状态一直在延续
4.他们的头发现在是湿的,表明他们已经游泳了,或是一直在游泳,你用一般过去式,也应该用swim的过去式才对,所以选C不选D