We didn’t know his telephone number otherwise we him.A. would have telephonedB. must hav

问题补充：

We didn’t know his telephone number, otherwise we him.

A. would have telephoned

B. must have telephoned

C. would telephone

D. had telephoned

答案：

(答案→)A. would have telephoned

B. must have telephoned

C. would telephone

D. had telephoned

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