Wecan’timaginewhatgreatdifficultytheyhave

问题详情：

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

【回答】

解析：此句中 they have 为定语从句。what great difficulty 为先行词，还原即为： have what great difficulty (in) settling ...，故选B项。

*：B

知识点：非谓语动词

题型：选择题