问题
选择题
I'm going to help _____. the city parks with my classmates to make them clean and tidy.[ ]
A. fix up
B. make up
C. clean up
D. put up
答案
答案:C
I'm going to help _____. the city parks with my classmates to make them clean and tidy.[ ]
A. fix up
B. make up
C. clean up
D. put up
答案:C