單項(xiàng)選擇題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.單項(xiàng)選擇題The accident was()to careless driving.

A.for
B.likely
C.due
D.because 

2.單項(xiàng)選擇題That yellow purse()her dollars.

A.cost
B.spent
C.took 
D.paid

3.單項(xiàng)選擇題That was a difficult question, but Mary still()to work it out.

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

4.單項(xiàng)選擇題Thanks for your help.()

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

5.單項(xiàng)選擇題Thanks for the lovely and delicious food.()

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