1. a) you should always check to see if you locked the door when you leave your house.
b) i advise you to do your homework on time.
c) dentists recommend that people wash their teeth after every meal.
2. a) you shouldnt fight with your brothe, try to get along.
b) you shouldnt go to bed late, you will be tired in the morning.
c) you and your sister shouldnt hit each other, try to talk and solve the problem.
3. a) this building looks like a church.
b) that girl looks like someone i know.
c) his pen looks like it's made of glass.
