问题补充:
— I went to work on foot yesterday, though it cats and dogs.
— You by bus. It was easy for you to get a cold.
A. is raining; must have gone
B. rained; would go
C. have rained; could have gone
D. was raining; should have gone
答案:
A. is raining; must have gone
B. rained; would go
C. have rained; could have gone
(答案→)D. was raining; should have gone
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