1. When the child saw his mother, he didn't cry any more. 2. I've been waiting so long that I do not want to wait any longer. 3. I usually sat in front of the classroom when I was in first grade. 4. Teachers used to stand in front of the students in class. 5. There are over one hundred attractions in Beijing, and some attractions in Wuxi. Many tourists visit those attractions every year. 6. When I see those models, I can't believe my eyes. They like real ones. 7. Students should have the ability to learn by themselves. That's helpful to our study. 8. Our English teacher told us how to make a postcard. 9. The music is so fascinating that they join in the dance.