—Must I make a phone call to him now?—No you. You write an email.A. mustn’t; mayB. may n

问题补充：

—Must I make a phone call to him now?

—No, you. You write an email.

A. mustn’t; may

B. may not; must

C. shouldn’t; must

D. don’t have to; may

答案：

A. mustn’t; may

B. may not; must

C. shouldn’t; must

(答案→)D. don’t have to; may

解析：must的否定回答，一般用needn’t或者don’t have to，据此即可判定本题选D。