1. Don throw
2. Turn off ( tắt )
3. Clean ( clean up: dọn sạch )
4. Collect : nhặt
5. Use ( dùng )
6. Turn off
...
1 If people share their cars go to work, there won't be so many car fumes.
2 I have studied [ study ] here for more than three years.
3 What a nice dress! Where did you buy [ you / buy ] it?
4 Don't forest to take your umbrella. It is raining [ rain ]
5 If we recycle [ recycle ] paper products, we will save [ save ] more trees.