Question

I wondered what difficulty he had _____ the plan.

A．to carry out

B．carrying out

C．carried out

D．with carrying out

Answer 1

B

试题分析：考查非谓语动词。句中he had ____ the plan作定语，这里考查短语have difficulty (in) doing sth.做某事有可能。句意：我想知道他执行这个计划有什么困难。故B正确。