—Is John coming by bus?—He should but he notHe likes driving his carA. must B. can C. ne

问题补充：

—Is John coming by bus?

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

A. must

B. can

C. need

D. may

答案：

A. must

B. can

C. need

(答案→)D. may

解析：句意：--约翰坐车来吗？--他应该，但是他可能不坐车，他喜欢开车。must必须；can 可能；need需要；may也许。根据句意故选D。