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-Is John coming by train?
-He __________, but he can’t. All the trains have been cancelled because of the snow.
A. may B. will C. must D. should
查看习题详情和答案>>Now he failed again.He ________ but he didn't.
- A.should work hard
- B.should have worked hard
- C.shouldn't work hard
- D.shouldn't have worked hard