2. With a s________ noise, the earthquake happened.

1. She had to stand s________ while there was so much traffic going and coming

around her.

4. getting off　　 5. come from

9. slowly　　　 10. pairs

6. get　　　　　 7. stronger　　　 8. dropped

4. stopping　　　 5. carefully

4. in　　　　　　 5. with

4. Though / Although　　　　　　　 5. tears

5.　　 -Where does the Earth’s energy _______ _______ (来自)?

　 　　 -Most of it is from the Sun.

Key:

Unit 2

4. “Please take my seat, grandpa. I’m _______ _______ (下车) at the next stop,” Tom said to the old man.