Question

【题目】-What do you think of Mr Li's lecture?

-Clear and __________ the point.

A. at

B. on

C. to

D. off

Answer 1

【答案】C

【解析】句意:——你觉得李先生的讲座怎样？——清楚又切题。to the point为固定搭配，意为“中肯；切题”。off the point 离题。