10. Li Lei and Jim aren’t doing their homework now.

　Ⅲ. 1. There is a river flowing near the mountain village.

9. Are the students working in the school garden?

8. My friend doesn’t work in the museum.

7. Does he want to be a football player?

6. They are going to school by bike now.

　Ⅱ. 1. What does；be 2. Where does；work 3. What’s；weather like

4. What is；doing 5. What does；do

　Ⅱ. 1-5 DFGBE

6. speak 7. is reading 8. staying 9. did，do 10. was

7. scary 8. ugly 9. clever/smart 10. shy

　Ⅳ. 1. shopping 2. are swimming 3. to play 4. help 5. watch

7. singer 8. interested 9. Japanese 10. dangerous

　Ⅲ. 1. world 2. live 3. dislike 4. languages 5. favorite 6. cute