1.It you walk to school it will talk 20 minutes.

2.It you use recycled paper be frugal.

3.It you  ealth gets hotter everything will dry up.

4 .Mk ko biết lm.

5.It you want to save a lot of powen then you have to turn it off in when not in use.

Xin lỗi bạn nha mk ko biết lm câu 4

1. If you walk to school, it will take 20 minutes.

2. If you use recycled paper, be frugal

3. If the Earth gets hotter, everything will dry up

4. ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

5. If you want to save a lot of power, then you have to turn it off when not in use