Why are you in such a hurry， Cathy？
My dad and mum don't （let someone do something） me to stay out late．
When they felt after the flood，the charity offered them food and clothes．（help）
Scientists often that farmers use natural ways to grow fruits．（suggestion）
Our manager greeted the guest with a smile at the entrance．（polite）
For your ，smoking is not allowed during the whole flight．（safe）
Failure isn't always bad．It can teach you lessons．（use）