The UN _____ the documents to save the environment in 2007 and they work well all over the world now.A. drew up B. built up C. gave up
When the wonderful news _____, we all got very excited.
Tom Mary speaks good Chinese. So they can talk with these Chinese students very well.
I will put some photo on my home page _____everyone _______.
Yesterday I saw _____ enjoy ____ in the park.
_______ useful book the teacher brings us!