摘要：He is so that he always looks over his exercises to there are no mistakes. A.careful, make sure B.careful, find out C.careless, think about D.careless, try not
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He is so careful that he always looks over his exercises to ________ there are no mistakes.
- A.find out
- B.think about
- C.make sure
- D.try out
He is so careful that he always looks over his exercises to _________ there are no mistakes.
[ ]
A. find out
B. think about
C. make sure
D. try out