haven’t
can’t
mustn’t
needn’t
第1题:
A.threaten
B.hesitate
C.appoint
D.influence
第2题:
You buy a gift, but you can if you want to.
A. must
B. mustn't
C. have to
D. don't have to
第3题:
A.won't
B.mustn't
C.needn't
D.shouldn't
第4题:
I don't want to ________ on you if you are very busy.
A invade
B intervene
C intrude
D interfere
第5题:
A. Yes, you need to introduce it for me.
B. Yes, could you give me a brief overview of it?
C. Yes, you must tell it to me.
第6题:
● If you decide you don′t want to print the message, Click (72) .
(72) A. Cancel
B. OK
C. File
D. Edit
第7题:
--I'm sorry, but I don't quite follow you. Did you say you wanted to return on September 20?
--Sorry, I ____ myself clear. We want to return on October 20.
A. hadn't made
B. wouldn't make
C. don't make
D. haven't made
第8题:
A、one; other
B、it; other
C、it; another
D、one; the other
第9题:
A、where
B、which
C、as
D、that
第10题:
-- Why don't you stay a little longer?
-- _____
A. I wish I could, but it's already late.
B. I don't want to.
C. I couldn't.
D. Thank you very much.