(79ͳ)1."Must we do it now?"
        "No, you___."
        A.won't
        B.needn't
        C.can't
        D.don't
(79ͳ)2.He said he would rather not ___it right now.
        A.doing
        B.to do
        C.do
        D.to be doing
(81ͳ)3.You ___ to the meeting this afternoon if you have
        something important to do.
        A.needn't to come
        B.don't need come
        C.don't need coming
        D.needn't come
(83)4."May I pick a flower in the garden?"
        "___."
        A.No, you needn't
        B.Not, please
        C.No, you mustn't
        D.No, you won't
(83)5.You'd better ___ late next time.
        A.don't
        B.not be
        C.not being
        D.won't be
(85)6."Can I leave this door open at night?"
        "You ___ better not."
        A.should
        B.would
        C.could
        D.had
(85)7.Put on more clothes. You ___ be feeling cold with only
        a shirt on.
        A.can
        B.could
        C.would
        D.must
(86ͳ)8.I thought you ___ like something to read, so I have brought
        you some books.
        A.may
        B.might
        C.could
        D.must
(87ͳ)9.There was plenty of time. She ___.
        A.mustn't have hurried
        B.couldn't have hurried
        C.must not hurry
        D.needn't have hurried
(87ͳ)10.The plant is dead. I ___ it more water.
         A.will give
         B.would have given
         C.must give
         D.should have given
(87)11.It's freezing outside. You___ put on your overcoat.
         A.had better to
         B.had better
         C.would better
         D.would better to
(88)12.Youreturn the book now. You can keep it till next week
         if you like.
         A.can't
         B.mustn't
         C.needn't
         D.may not
(88)13.Where is my pen? I ___it.
         A.might lose
         B.would have lost
         C.should have lost
         D.must have lost
(89)14.I didn't hear the phone. I ___asleep.
         A.must be
         B.must have been
         C.should be
         D.should have been
(90)15.He ___ you more help,even though he was very busy.
         A.might have given
         B.might give
         C.may have given
         D.may give
(91)16.A computer ___think for itself; it must be told what to do.
         A.can't
         B.couldn't
         C.may not
         D.might not
(92)17.-- Could I borrow your dictionary?
         -- Yes, of course you ___. 
         A.might
         B.will
         C.can
         D.should
(92)18.-- Shall we go skating or stay at home?
         -- Which ___do yourself?
         A.do you rather
         B.would you rather
         C.will you rather
         D.should you rather
(93)19.Tom ought not to ___ me your secret, but he meant no harm.
         A.have told
         B.tell
         C.be telling
         D.having told
(93)20.Peter ___ come with us tonight, but he isn't very sure yet.
         A.must
         B.may
         C.can
         D.will


