I am sure your suggestion will ____ the problem.A.contribute to solving B.be contributed to solve C.contribute to solve

问题描述:

I am sure your suggestion will ____ the problem.A.contribute to solving B.be contributed to solve C.contribute to solve D.be contributed to solving 正确答案是D.为什么不选A?

contribute to doing 有助于 促进做某事 记住就好了 下回就知道了主语是你的建议 所以用被动只有人做主语才能用主动吗?对对