We must try our best to stop pollution ______ a low-carbon(低碳)life.

Shanghai is a beautiful city. Do you think so? —Yes, I _______ there last year and fell in love with it.

You look cool ______white trousers and a blue shirt, and the yellow blouse and the red skirt look nice_____ her. [ ]

There are ________ students waiting in the hall, ________?

Daming is going to have a good rest when he____the exam.—So is Lingling. [ ]