英语语法题!hurry up!

问题描述:

英语语法题!hurry up!
we can't imagine what great difficulty they have ____the problems in the plan.
A.to settle B.settling C.settled D.to be settled
这一类的题目是关于什么方面的?并说一下语法理解

B语法点是 have difficulty doing sthwe can't imagine what great difficulty (they have) ____the problems in the plan.括号里的they have是做difficulty的定语,原本是that they have,一般that可省略...