问题补充:
Lucy is very helpful. She is always others.
A. ready helping
B. ready help
C. ready to helping
D. ready to help
答案:
A. ready helping
B. ready help
C. ready to helping
(答案→)D. ready to help
解析:句意:路西非常乐于助人。她总是准备帮助别人。短语be ready to do sth准备做某事,故选D。