题目内容
-When you leave the office, you must _________ you have closed all the windows.
-Sure, I will.
- A.make it
- B.make out
- C.make sure
- D.make up
C
make sure表示“确保”,相当于be sure; make out表示“理解,认出”;make up指“虚构,组成”;make it为“做成,达到”,结合题意,此处应该用make sure。
make sure表示“确保”,相当于be sure; make out表示“理解,认出”;make up指“虚构,组成”;make it为“做成,达到”,结合题意,此处应该用make sure。
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