1. You____return my necklace sooner, I____need it.
　　
　　A.should...might
　　
　　B.might...should
　　
　　C.must...should
　　
　　D.must...might
　　
　　【答案】A
　　
　　2.“What can I do for you?”“If you____see Mr,Keller,give him my regards.
　　
　　A.would
　　
　　B.will
　　
　　C.should
　　
　　D.shall
　　
　　【答案】C
　　
　　3.You know you____go out without a coat.
　　
　　A.shouldn't
　　
　　B.couldn't
　　
　　C.wouldn't
　　
　　D.oughtn't
　　
　　【答案】A
　　
　　4.Why____it get colder when we go up a mountain? We're getting nearer to the sun.
　　
　　A.ought to
　　
　　B.should
　　
　　C.would
　　
　　D.must
　　
　　【答案】B
　　
　　5.Why did you do that? I'm sorry that you____do such a thing.
　　
　　A.would
　　
　　B.shall
　　
　　C.should
　　
　　D.will
　　
　　【答案】C
　　
　　6.If you____me,I shall be grateful to you.
　　
　　A.helped
　　
　　B.will help
　　
　　C.are helping
　　
　　D.will be helping
　　
　　【答案】A
　　
　　7.____to leave a message for her?
　　
　　A.Do you like
　　
　　B.Would you like
　　
　　C.Will you like
　　
　　D.Have you like
　　
　　【答案】B
　　
　　8."Will you go to New York with me?"
　　
　　A.wouldn't
　　
　　B.shall not
　　
　　C.won't
　　
　　D.could not
　　
　　【答案】C
　　
　　9.“Do you mind if i join you?”“____.”
　　
　　A.I don't
　　
　　B.Yes,I don't
　　
　　C.No,please don't
　　
　　D.No,please do
　　
　　【答案】D
　　
　　10.“That must be a mistake.”“No,it____a mistake.”
　　
　　A.must not be
　　
　　B.needn't be
　　
　　C.cannot be
　　
　　D.would not be
　　
　　【答案】C
　　
　　11.“Need we do this test now?”
　　
　　“Yes,____.”
　　
　　A.we need
　　
　　B.we must
　　
　　C.we should
　　
　　D.we can
　　
　　【答案】B
　　
　　12."Must you wear your school uniform when you dine with your family?"
　　
　　A.I mustn't
　　
　　B.I needn't
　　
　　C.I shalln't
　　
　　D.I shouldn't
　　
　　【答案】B
　　
　　13."I wonder why they're late."
　　
　　"They____the train."
　　
　　A.can have missed
　　
　　B.could miss
　　
　　C.may have missed
　　
　　D.might miss
　　
　　【答案】C
　　
　　14."Tom graduated from college at a very young age."
　　
　　"He____have been an outstanding student."
　　
　　A.must
　　
　　B.could
　　
　　C.should
　　
　　D.might
　　
　　【答案】A
　　
　　15."We didn't see him at the lecture yesterday."
　　
　　"He____it."
　　
　　A.mustn't attend
　　
　　B.cannot have attended
　　
　　C.would have not attended
　　
　　D.needn't have attended
　　
　　【答案】B