问题
选择题
How dirty your room is! You must .[ ]
A. clean up it
B. clean them up
C. clean it up
D. do some cleanings
答案
答案：C
搜题请搜索小程序“爱下问搜题”
How dirty your room is! You must .[ ]
A. clean up it
B. clean them up
C. clean it up
D. do some cleanings
答案：C