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1.HismotherthePartyforfouryearsA)hasjoinedB)hasbeenC)hasattendedD)isin2.WegottothestationafterthetrainA)hasleftB)leavesC)hadleftD)wasleaving3.SheaskedMr.WhitewherehethewholemorningA)hadbeenB)hasbee

题目详情
1.His mother ______the Party for four years
A)has joined B) has been C)has attended D)is in
2.We got to the station after the train_____
A)has left B)leaves C)had left D)was leaving
3.She asked Mr.White where he _____the whole morning
A)had been B)has been C)was D)had beent to
4.When the work____,you may go home
A)will be done B)was done C)is done D)does
5.A lot of information _____in the computer
A)has stored B)stored C)was stored D)had stored
6.A new factory ______over there now
A)was built B)will be built C)has built D)is being built
7.We must be back at the school by eleven o'clock.We_____be late
A)haven't got B)don't have to C)needn't D)mustn't
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答案和解析
B因为有for,表示现在完成时.
C因为前面的动词是过去时got,所以后面要用过去完成时.
A因为前面动词是过去的asked.和上题差不多.
C是一般现在时的被动语态,因为后面动词是原形may.
C意思是,很多信息都被存储在电脑里,所以是过去是时的被动语态.
D意思是:一家新的工厂正在那里被建造,因为now,所以要用现在进行时的被动语态.
D must表示是情态动词在这个句字里,意思是我们不得迟到.