31.either the twins or John going with me when the play here?A. Is; is put onB. Are; is pu

问题补充：

31.either the twins or John going with me when the play here?

A. Is; is put on

B. Are; is put on

C. Is; put up

D. Are; is put up

答案：

A. Is; is put on

(答案→)B. Are; is put on

C. Is; put up

D. Are; is put up

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