Unit 4
1.When an earthquake happens, the ground will s_________ greatly.
2.The fish must go bad, for it is s________.
3.When she heard the news that her husband was killed in the accident, she b_______ into tears.
4.The two countries were separated by a c_________.
5.Water can be turned into s________ when heated.
6. The desk is covered with a lot of d________. Would you please clean it?
7. After the earthquake, the whole city was in r_________.
8. An accident happened. Luckily, nobody was i_________.
9. There was no s________ in the air crash.
10. The worked made great efforts to r________ the people who were trapped underground.
11. Because of the global warming, there are more and more natural d________.
12. The students in our school have o_________ many clubs for themselves.
13. The air in the countryside is much f_________ than that in the city.
14. J_______ from his accent, we know he comes from the west.
15. It's my great h_________ to be invited to give a s__________ to you.
16. These days, we are busy p_________ for the final examination.