单项选择题The atmosphere()certain gases mixed together in definite proportions.

A.composes of
B.is made up
C.consists of
D.makes up of


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1.单项选择题The accident was()to careless driving.

A.for
B.likely
C.due
D.because 

2.单项选择题That yellow purse()her dollars.

A.cost
B.spent
C.took 
D.paid

3.单项选择题That was a difficult question, but Mary still()to work it out.

A.did
B.failed
C.kept
D.managed

4.单项选择题Thanks for your help.()

A.My pleasure. 
B.Never mind.
C.Quite right. 
D.Don't thank me.

5.单项选择题Thanks for the lovely and delicious food.()

A.No thanks
B.Never mind
C.All right 
D.My pleasure

6.单项选择题Thank you very much for giving me so much help.()

A.No thank you
B.You're welcome
C.OK
D.Thanks

7.单项选择题Thank you for your invitation.()

A.It doesn't matter. 
B.It's a pleasure.   
C.It's a small thing. 
D.I'll appreciate it

8.单项选择题Thank you for your great dinner. I really enjoyed it.()you enjoyed it.

A.I'm so glad
B.I'm sorry
C.What a pity
D.Surprisingly

9.单项选择题Thank you for the wonderful meal, Mrs. Hanson.()

A.Oh, I don't think you ate well.  
B.I'm not a good cook in fact. 
C.Be careful next time
D.I'm glad you enjoyed it.

10.单项选择题Thank you for inviting me.()

A.I really had a happy time.
B.Oh, it's too late.
C.Thank you for coming.
D.Oh, so slowly?