问题描述：
1.By reading the story ,you may understand____to be successful.
A.it takes what B.you take what
C.what takes you D.what it takes
为什么不选C?
2._____different life today is from____it was 20 years ago.
A.What a;what B.How;what
C.What;what D.What a;how
为什么不选B?
A.it takes what B.you take what
C.what takes you D.what it takes
为什么不选C?
2._____different life today is from____it was 20 years ago.
A.What a;what B.How;what
C.What;what D.What a;how
为什么不选B?
问题解答：
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