3. 我们应该更加重视发展农业。

We should more  developing agriculture.

2. 你为什么坐在桌子上？

are you sitting on the desk ?

1. 不要和你的朋友肩并肩地骑自行车。

Don’t ride  with your friends.

5. Thursday is the (第五) day in the week.

6. Please keep (安静的) ，the baby is sleeping.

4. I think the (增长的) population is the biggest problem in the world today.

3. The hole is 30 metres (深) and the frog can't jump out of it.

2. Take the medicine (两次) a day and drink more water,and you will be better soon.

1. We have only one earth. So we must try our best to stop the (污染) .

7. 乘公共汽车到那里需要一个小时的时间。

 an hour  there by bus.

6. 那几乎是世界人口的五分之一。

That's almost  the world's population.