问题
Can I speak to Mr. Smith?— Sorry, sir. He isn’t in. You leave a message or call him later.
A:may
B:must
C:need
D:should
B:must
C:need
D:should
正确答案是：
同类题型
Will Jim go hiking with us this weekend?— Maybe not. He _______ to visit his grandpa in the country.
Mr Wang is leaving ________ Guangzhou next week. [ ]
Friends like you make ____ a lot easier to get along in a new place.
Sorry, I haven’t money buy the new ipad.
Whose is this blue bike? －It ________ be Mary’s. Her bike is black and white.