1. The chemical factories _____ (生产) terrible gas. 2. Each year people pour _____ (废物) into rivers, lakes and so on. 3. There are _____ (几个) students reading books over there. 4. Do you know he has _____ (参军) for five years? 5. Loud noises can cause high _____ (血) pressure as well.
1. Who are you (等待)? 2. Have you ever (出国)? 3. Please (取出) one pencil from your pencil case. 4. You (最好) put on your coat. It's a bit cold outside. 5. What will you do when you (用完) your paper? 6. Most garbage will (变成) soil some day. 7. In summer I often (冲澡) before I go to bed. 8. If you don't work hard, you'll (考试不及格). 9. Will you please (照料) my house when I am away? 10. Danny invented (一种新型) transportation.
