Our school is ________children _______6-12.A. for, of B. for, in C. of, for
We’ve walked for a long time.Let’s stop ____a good rest
A Wechat (微信) is an invention __________ can help people talk to friends, share photo, ideas and feelings freely.
_____ of the water _____ polluted. We must try to protect our environment.
Please tell me______. I have some good news for him.
— You’re new here, ______?— Yes, I’m from Dujiangyan. I came here last week.