our classroom is clean (一般 肯 否）

我们的教室干净整洁

reuse it, like water that's used to wash something could be dumped to water the plants
-set stricter laws and regulations to stop corporation's industrial waste from contaminating lakes and ocean
-use greener design. like if you wash your hands that water could be directly used to flush the toilet.
-put up some environmental posters by the sink or drinking fountain or something to warn people to not waste water.
-set up campaigns and have a protest
-use better water pipes to prevent water leak or underground contamination.

Is your classroom clean?
Yes,it is.
No,it isn't.

yes

Is your classroom clean?
Yes,it is.
No,it isn't.
请及时采纳,多谢!

is our classroom clean?
yes it is
no it isn't