问题补充:
We hope you can a better idea to solve the pollution problem.
A. look out
B. come up with
C. get along with
D. catch up with
答案:
A. look out
B. come up with
C. get along with
D. catch up with
解析:look out注意,当心;come up with提出,想出;get along with与……和睦相处,取得进展;catch up with赶上,追上。句意:我们希望你能想出一个更好的主意来解决污染问题。结合语境可知选B。