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He let me repeat his instruction sure that I understand what was after he went away. A. to make; to be done B. making; doing C. to make; to do D. making; to do 【查看更多】

 

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He let me repeat his instruction ________ sure that I understand what was ________ after he went away.

[　　]

A．to make; to do
B．making; doing
C．to make; to be done
D．making; to do

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