5. Let me put the book        (进入里面) the bag.

4. They work eight       (小时) a day.

3. Fresh vegetables are very        (便宜的) in summer.

2. It is        (下雨) outside now.

1. I will show you how to start the        (机器) .

5. Spring is coming. We can see beautiful flowers e       in the park.

4. There are a lot of different fishes in the s       .

3. The sun r       in the east every morning.

2. There are lots of balloons in the a         .

1. There is a little t         on the road now.