We need to a plan about what to do on Clean-up Day.A. come up withB. come overC. come alo

问题补充：

We need to a plan about what to do on Clean-up Day.

A. come up with

B. come over

C. come along

D. come out

答案：

(答案→)A. come up with

B. come over

C. come along

D. come out

解析：此题重点考查四个短语的区别。Come up with表示想出；come over表示克服，战胜；come along表示跟随，come out表示发芽，出版等，根据语境可知选择come up with。