9. If we reuse bottles and cans, we would reduce a large amount of garbage.
10. You shouldn't read in the dark. You should go turn on the lamp.
11. The picture that I bought was painted by a famous artist.
12. All the plants and flowers in the garden are watered by my dad every day.
13. I wish they would win the match next Sunday.
14. I am very tired and sleepy now, so I need to go to bed.
15. You don't know how to repair this printer, do you?
16. The man looked at me angrily when I interrupted him.
17. "Thank you for taking the time to come here in person." - "I'd love to come. What time?"
18. He was so absorbed in his book that he didn't even notice me come in.
19. Coronavirus disease (COVID-19) was first reported in China on 31 December 2019.
20. You should give up playing computer games or you will fail your exam.