20.I think we need to see an investment ___ before we make an expensive mistake.A.guide B.entre
问题描述：
20.I think we need to see an investment ___ before we make an expensive mistake.A.guide B.entre
答
选A.显而易见,an investment ___ 后面需要填个名词.Guide这边做名词,表示指南,inverstment guide就是投资指南,entre是一个介词,表示在什么什么之间.单纯的单词意思选择.