— You must be looking forward to your trip to Sydney.
— Yes. I wait any longer.
A. can't
B. mustn't
C. needn't
D. shouldn't
网友回答
(答案→)A. can't
B. mustn't
C. needn't
D. shouldn't
解析：考察情态动词，can't 不能 mustn't 禁止 needn't 不需要 shouldn't 不应当
句意为，---你一定在期待去悉尼的旅行。---是的，我不能再等了。