1. I don't have any pot plants in my room. NO 
.......... pot plants in my room.

2. My brother is too short to play basketball. ENOUGH 
My brother is ........... to play basketball.

3. Mark likes music. INTO 
Mark........music.

4. Ron can play the guitar very well. GOOD 
Ron........guitar player.

5. We have English classes from Monday to Friday. DON'T 
We..........English classes at weekends.

6. You should go to the doctor. TO 
You ......... go to the doctor.