Topic 1:

When an earthquake occurs,you should drop under a sturdy table,stay indoors if you are indoors,or outdoors if you are out doors,find an open area,and stay away from windows,and power line.You shouldn't run to the door ,use the elevator,or move outside if you are driving,and go to the safe place.

1. It was hard to go outside during the heatwave last wee.

2.Air pollution is big cities can lead to serious health problems.

 1. Unless this story sells emergency kits,I'll check the other one.

2.If you throw trash into the river,it will become more polluted.

3.The factory is dumping waste into this lake ,so this lake is polluted.

To keep the environment green, we need: First is more trash cans,we need more trash cans in the park.Adding more bins will make it easier for everyone to dispose of their trash properly and keep the park clean.Not only that,we can invite friends and neighborsto join a park clean-up.This will help us remove the trash and make the park safer for everyone,especisally kids.Therefore, we should keep the environment green.