1. If you don't be careful, you will cut yourself.
2. If you don't do it now, you won't finish it on time.
3. You'll get cold if you go out without your sweater.
4. We will save natural resources if you recycle.
5. You'll understand the lesson if you are quiet.
Bn hok tốt!!
Vote 5* và hay nhất cho mik nhé!!!