- Is John coming by train?He should but he not. He likes driving his car.A. mustB

问题补充：

--- Is John coming by train?

--- He should, but he not. He likes driving his car.

A. must

B. can

C. may

D. need

答案：

A. must

B. can

(答案→)C. may

D. need

解析：句意：约翰将坐火车来吗？应该是，但他不可能。他喜欢开自己的车。Must必须，一定；can能，会；may可以，可能；need需要。所以选C。