2. 放学后___________　　　　　　　　　　　　　　　　 7. learn the piano ___________

1. too many___________　　　　　　 　　　　 6. 不得不___________

10. Look at our library r　　　 .What do they say we have to do?

9. They can’t eat in the restaurant. They have to eat in the school c　　　 .

8. Look，two boys are fighting in the h　　　 .

7. We have to wear a u　　　 　to school.

6. The student sits in the middle of the c　　　 .

5. It’s cold o　　　 ，please close(关) the window.

4. He a　　　 　here last night.

3. Don’t be l　　　 　for school next time，Bob.