问题描述：
1.How many states ( ) the United States?
A.turn up
B.make up
C.end up
D.give up
2.Don't believe him because he is good at ( )an excuse.
A.looking up
B.giving up
C.putting up
D.making up
A.turn up
B.make up
C.end up
D.give up
2.Don't believe him because he is good at ( )an excuse.
A.looking up
B.giving up
C.putting up
D.making up
问题解答：
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