In order to improve your English you’d better the important points in your notebook in c

问题补充：

In order to improve your English, you’d better the important points in your notebook in class.

A. cut down

B. tear down

C. set down

D. turn down

答案：

A. cut down

B. tear down

(答案→)C. set down

D. turn down

解析：句意：为了提高你的英语水平，你最好在课堂上把重点记下来。cut down砍倒；tear down拆毁；set down写下；turn down拒绝，选C。