Miss Green is very helpful. She is always others.A. ready to helpingB. ready helpC. ready

问题补充：

Miss Green is very helpful. She is always others.

A. ready to helping

B. ready help

C. ready helping

D. ready to help.

答案：

A. ready to helping

B. ready help

C. ready helping

(答案→)D. ready to help.

解析：格林小姐很乐于助人。她总是帮助他人。be ready to do是固定用法，意思是：乐意做某事。其它不正确，所以选D。

考点: 考查固定搭配的用法。