---What are you going to do this weekend?-----I’m going to help the city parks with my cla

问题补充：

---What are you going to do this weekend?

-----I’m going to help the city parks with my classmates to make them clean.

A. set up

B. fix up

C. put up

D. clean up

答案：

A. set up

B. fix up

C. put up

(答案→)D. clean up

解析：句意：--这个星期你打算做什么？--我将要与我的同学一起帮助清理城市公园，使它们更洁净。分析选项：Set up 组建； fix up修理；put up张贴； clean up 清扫。故选D