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
The picture is the same that one. [ ]
Peter knows many people here. —_________________
Today is my birthday and my mother _______ a cake _______ me.
Zhou Ming likes reading English magazines. —_______. It’s good for English learning.
Mum, when shall we go shopping? —After I finish _______ the clothes.