31. Hurry up! By the time we get to the church the marriage service . A. had startedB. wi

问题补充：

31. Hurry up! By the time we get to the church, the marriage service .

A. had started

B. will have started

C. has started

D. must have started

答案：

A. had started

(答案→)B. will have started

C. has started

D. must have started

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