Mary is so wet. She in the rain.A. must be caughtB. must have been caughtC. should have b

问题补充：

Mary is so wet. She in the rain.

A. must be caught

B. must have been caught

C. should have been caught

D. can have been caught

答案：

A. must be caught

(答案→)B. must have been caught

C. should have been caught

D. can have been caught

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