医生建议Lucy少吃垃圾食品多锻炼.
The doctor advised Lucy less junk food and exercise.
We'd better keep (收集)waste newspapers for recycling.
This is a place where children can play without (危险).
I like reading because it can (增长)our knowledge.
Skating seems to be Mary's only (爱好)in her life.
I'm (自豪的) to say that we have made the right decision.