The government has done very little to （) the program on the basis of which it won the Election.
A.execute
B.attempt
C.carry
D.make
There were （) at the university Games that there was no trouble.
A.so much campus police
B.so many campus police
C.a great many polices
D.great many of policemen
如果美国央行提高利率，美元兑换欧元的汇率可能下降。（)
John had better finish his homework before the New Year, （)？
A.hasn’t he
B.doesn’t he
C.hadn’t he
D.didn’t he
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