a An hour later, the wind becomes strong.
b Then it is raining heavily.
c After the wind and rain, there is a lot of rubbish (垃圾) on the ground.
d The wind is blowing gently.
1

Peter and Paul are in a park near their home. They like the park.
2
______
The clouds are moving quickly. They go home quickly.
3
______
There are big waves (海浪) in the sea.
4
______
Some street cleaners (环卫工人) are cleaning the streets.

1. d The wind is blowing gently. 2. a An hour later, the wind becomes strong. 3. b Then it is raining heavily. 4. c After the wind and rain, there is a lot of rubbish (垃圾) on the ground.