问题
选择题
The floor is quite wet, my teacher asked us _____ quickly.[ ]
A. to mop up it
B. mopped it up
C. to mop it up
D. mop it up
答案
答案：C
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The floor is quite wet, my teacher asked us _____ quickly.[ ]
A. to mop up it
B. mopped it up
C. to mop it up
D. mop it up
答案：C