问题

I borrow your book, Mr. Smith— Sure, here you are.
A:Should
B:Could
C:Must
D:Need;
B:Could
C:Must
D:Need;
正确答案是:
同类题型
The basketball team ________________ ten tall students.
I___ to have another try if I get another chance
She ________ come to the party, but I am not quite sure.
Joan and Mary haven’t seen each other_____ they left school five years ago.
Julia,as well as other two boys, for having broken the rules in class