问题
选择题
—Look, the light in my classroom is .
—Yes, let's go and turn it off.[ ]
A. on
B. of
C. down
D. off
答案
答案：A
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—Look, the light in my classroom is .
—Yes, let's go and turn it off.[ ]
A. on
B. of
C. down
D. off
答案：A