4.学习英语变的越来越重要。

________________________________________________________important.

5每天农民们向城市居民提供大量的蔬菜.

　 　Every day farmers _________________________________ people in the cities.

3.我们中一些人会去海南住一小段时间。

　Some of us will __________________________________________________.

1.　　　 我们必须阻止他们改变湿地。

We must__________________________________________________ wetlands.

1.吴老师告诉我们不要发出任何噪音。

Mr. Wu told ______________________________________________________.

10. I ______________(说) you if he arrives tomorrow.

9. I think he _________________(到达) in 3 hours.

8.There is going to ____________(有) a football match tomorrow.

7. He says he’s afraid _______________(see) a snake.

6.Look! Here ______________ (come) the bus!

5.We must stop people from ___________________(drop) litters carelessly.