13. They have 　　　(repair) the broken car.

12. Jenny and Danny put all the 　　(sort) garbage into some bags for recycling.

11. Some people believe that dinosaurs are still 　　　(live) today.

10. This is my 　　　(two) e-mail.

9. China is an 　　　(Asia) country.

8. It’s 　　　(danger) to cross the street when there is much traffic.

7. Listen! Who 　　　(sing) in the next room?

6. He has been to 　　　(English) twice.

5. I think buses make 　　(little) pollution than cars.

4. She entered the room and turned on the 　　(electricity) light.