—YoumustbelookingforwardtoyourtripbacktoSydney.—Yes.I

问题详情：

— You must be looking forward to your trip back to Sydney.

— Yes. I ______ wait any longer.

A. can’t                    B. mustn’t                    C. needn’t                    D. shouldn’t

【回答】

A

知识点：情态动词

题型：选择题