—Is Nick coming by train?—He should but he not. He likes driving his car.A. must B. mayC

问题补充：

—Is Nick coming by train?

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

A. must

B. may

C. can

D. need

答案：

A. must

(答案→)B. may

C. can

D. need

解析：选B考查情态动词。句意：“尼克乘火车来吗？”“他应该是乘火车的，但也不一定。因为他喜欢开车。”may not“可能不”。