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-They didn't give the concert after all last night. -_______

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-They didn't give the concert after all last night. -___________________________.
A.Did they? Why not? B.Did they? Why
didn’t?
C.Haven’t they?
Why? D.Didn’t they? Why not?
答案是D 我选A 求解
Their loan applicantion____,they were't able to buy the house.
A.had been refused B.has been refused C.having been refused D.being refused
答案是C我选B
They didn't发问,当然回答是Didn’t they
.
Why not也很显然了,因为都是否定的.
didn't对应why not
did 对应why
【欢迎追问,】
Their loan applicantion____,they were't able to buy the house.
A.had been refused B.has been refused C.having been refused D.being refused
答案应该是A!
weren't,表明过去时
只有A是过去式.