问题

To their surprise, they found the lecture given by the famous professor easy ______.

A:to be understood
B:to understand
C:understanding
D:understood;

正确答案是：

同类题型

Was it what he said or something ________ he did ________ made her cry?[ ]

Where did you get to know him— I think it was in the factory______ I worked ten years ago.

What time do you expect me back, Mum? — Say, ______half an hour.

___ a terrible storm would take place in Hainan.

This beautiful skirt ____________ ofcotton.