问题
选择题
—I'm leaving now.
—______ you turn off the lights and the computer.[ ]
A. To make sure
B. Make sure
C. Made sure
D. Making sure
答案
答案：B
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—I'm leaving now.
—______ you turn off the lights and the computer.[ ]
A. To make sure
B. Make sure
C. Made sure
D. Making sure
答案：B