Do you think_________easy for them to finish the work in time.
问题描述:
Do you think_________easy for them to finish the work in time.
A,this B,that C,it D,its
可可可--是 why?
答
这是固定句式 think it+adj.+to do sth.
it作形式主语,真正的主语是 to finish the work in time