You must pay for the library book if you____itA lost B have lost Cwill lose Dhad lost

问题描述:

You must pay for the library book if you____it
A lost B have lost Cwill lose Dhad lost

B

A

这个应该是主将从现句,主语为将来句所以是C

没有看清楚题目意思,以为答案A 是lose了。三楼正确,顶!!!!!!
祝你学习进步,更上一层楼!(*^__^*)
有不会的可以再问我:)

B
现在完成时强调对现在的结果“如果你弄丢了图书馆的书你必须赔偿”