before we make a plan,we should_the benefits of it_the risk of it.
问题描述：
before we make a plan,we should_the benefits of it_the risk of it.
A.weigh,against B.think,for C.consider,by
答
A.Before we make a plan, we should weigh the benefits of it against the risk of it.这道题的关键是理解不同介词的意思.因为benefits（收益）和risk（风险）是两个相反的概念,所以用against最合适.翻译成中文是...