3. Put “to” where necessary.
1 .1 think you ought apologize.
2. Make him __speak louder.
3. Help me__ carry this bag.
4. My son asked me__let him __ go to the theatre.
5 .1 must__ go to the country.
6. It can not__be done to-day.
7. She asked me__read the letter carefully and__ write an answer.
8. The man told me not__ walk on the grass.
9. Let me__help you with your work.
10. She ought__take care of her health.