Whoever leaves the room last must ______ that all the lights are turned off.
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A
is sure
B
make sure
C
find out
D
look out
推荐题目
The headmaster could not go to the meeting; therefore, Mr. Smith _______ him.
#75034
A
ranked
B
represented
C
took the place
D
modelled
Cultural exchange __________ better understanding.  
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A
make use of
B
make for
C
make up
D
make into
Though the girl      to learn Japanese, she couldn’t catch up with her classmates.
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A
made effort
B
made an effort
C
took every effort
D
gave her efforts