1.The best thing is _____________ it off and then on again i

1.The best thing is _____________ it off and then on again if you have a problem.
A.switch
B.to switch
C.switching
D.switched
2.Thirty per cent of meals ______________ by families in the USA are eaten at one of the big chains.
A.consuming
B.consumed
C.to consume
D.are consumed
3.-Would you like a cup of coffee?-____________________________.
A.It's very kind of you
B.No,I wouldn't
C.Yes,please
D.Here you are
4.It _________________ me two days to finish the report.
A.takes
B.spends
C.costs
D.pays
5.I didn't hear the phone ring.I ________________ asleep.
A.can have been
B.must have been
C.could have been
D.would have been
6.You should be able to ___________right from wrong.
A.perceive
B.see
C.distinguish
D.observe
7.Do you go to _____________ regularly?
A.a church
B.churches
C.church
D.the church
8.______ yesterday,I would have asked him not to do that.
A.Provided he came
B.if he came
C.If he had come
D.Has he came
9.-I doubt whether the Chinese Football Team can win the game this time.-____________________.
A.That's true
B.It's hard to say
C.I like the team
D.I don't believe it
10.The light is on.He ___________________ at home.
A.must have been
B.would be
C.must be
D.will be
11.-What are you majoring in?-_________________.
A.Medicine
B.At a college
C.In a university
D.It's hard to say
12.-Do you think I could borrow your dictionary?-__________________.
A.Yes,you may borrow
B.Yes,go on
C.Yes,help yourself
D.It doesn't matter
13.-We are going to have a dancing party tonight.Would you like to join us?-_____________________________________.
A.I'm afraid not.Because I have an appointment with my dentist tonight
B.Of course not.I have no idea.
C.No,I can't
D.That's all set
14.-May I help you,madam?- ______________.
A.Sorry,I have no idea
B.Yes,I know what to say
C.You'd better give me a hand
D.Yes,I'd like 2 kilos of oranges
15.-I'm taking my driving test tomorrow.-____________
A.Cheers!
B.Good luck!
C.Come on!
D.Congratulations!
16.-Can I help you get that bag down?-_________________.
A.Here you are
B.This case is heavy
C.Thanks.I really appreciate it
D.Here it is
17.-I can't find my ticket anywhere.So sorry about this.-_________________.
A.You mustn't pay a fine
B.Don't worry.Look again in your handbag
C.Please get off
D.We should buy another ticket now
18.Have you got used to _____________________ emails?
A.write
B.written
C.writing
D.wrote
19.Many languages are _______________ to die out.
A.likely
B.probably
C.possibly
D.mostly
20.-Hello,could I speak to Don,please?- ______________
A.Who are you?
B.Who's there?
C.Who's speaking?
D.Who could I help?

1.B the best thing is to do sth
2B 非谓语动词做定语,consume与meal 之间为被动,所以用consumed
3A交际用语
4A it takes sb some time to do sth
5C must have done 对过去的一个肯定推测,一定.
6Cdistinguish...from...区别
7D go to the church 去教堂/go to church 做礼拜
8C 虚拟语气
9B 交际用语
10C must be 对现在的一个肯定推测11A
11.A问你的专业是什么?
12C
13A交际用语
14D 交际用语
15B good luck祝某人好运
16C交际用语.非常感谢
17B 交际用语
18C be used to doing sth 习惯做什么
19A it's likey /possible /probable that 很可能.但只有likely 可以sb/sth likely to do sth
120C 典型的英语交际（电话用语）实记