1. They are used to preparing food.
2. By working day and night, he finished his task.
3. His doctor advised him to give up smoking.
4. Please stop kidding. We will stop in an instant.
5. Stop arguing and start working. Think carefully about things before making a decision.
6. Akhem, come in. Don't keep him standing by the door.
7. Did you succeed in solving the problem?
8. Don't forget to lock the door before going to bed.
9. Don't try to persuade me. Nothing can make me change my mind.

1. Nam suggested talking to the children on the way to school yesterday.
2. They decided to play with us last night.
3. Mary helped me repair this tank and clean the house.
4. We offer to make a plan.
5. We required them to be on time.
6. Kim wouldn't recommend him going here alone.
7. Before going to bed, my mother turned off the lights.
8. Minh is interested in learning English.
9. This robber admitted stealing the red mobile phone last week.
10. Shyn spends a lot of money repairing her car.
11. It took me 2 hours to buy the clothes and shoes.
12. Do you have any money to pay for the hat?
13. Would you like to visit my grandparents in Paris?
14. Don't waste her time complaining about her salary.
15. That question needs to be replied to.
16. Viet is used to crying when he faces difficulties.
17. It's time they stopped working here.
18. Will she remember to collect his suit from the dry-cleaners, or shall I do it?
19. Jim forgot to send this message last night.
20. Hung stopped eating meat yesterday.

Incorrect sentence:
Yesterday, Minh didn't want to coming to the theater with them because he had already made plans.

Correction:
Yesterday, Minh didn't want to come to the theater with them because he had already made plans.