27. —— My goodness! I've just missed the train. —— That's too bad. I am sure youit if you

问题补充：

27. —— My goodness! Ive just missed the train.

—— Thats too bad. I am sure youit, if you had hurried.

A. could have caught

B. had caught

C. would catch

D. could catch

答案：

(答案→)A. could have caught

B. had caught

C. would catch

D. could catch

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