第90页 - 亮点给力提优课时作业本六年级英语译林版

4

how

A

B C F G

E

H

A D

clean most of the time. But sometimes it's dirty. To keep our school clean,

we should sweep the floor and clean the desks and chairs every day. We shouldn't throw rubbish

anywhere. We should put it in the right bins. We should also plant more trees and flowers in our school. Trees and flowers can make our school more beautiful and make the air fresher. Let’s do it now!