问题描述：
Do you think we should accept that offer?-Yes ,we should ,for we such bad luck up till now
Do you think we should accept that offer?-Yes ,we should ,for we such bad luck up till now ,and time out.
A.have had .is running
B.had .is running
C.have .has been run
D.have had .has been run
Do you think we should accept that offer?-Yes ,we should ,for we such bad luck up till now ,and time out.
A.have had .is running
B.had .is running
C.have .has been run
D.have had .has been run
问题解答：
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