问题

I wondered what difficulty he had ______ the plan?[ ]

A: to carry out
B: carrying out
C: carried out
D: with carrying out

正确答案是：

同类题型

Output is now six times ________ itwas before liberation

27 It’s time to go _____the ship so they had to kiss goodbye to each other

Hello, Mary. How are you today I hearyou weren’t well last week.—-_________.

Most Americans would prefer to keep their problems _____themselves, and solve their problems _____themselves[ ]

My daughter prefers when she is free.