1. We often climb the hills.
2. I always read books in the morning.
3. Yesterday he appeared in the street.
4. He likes to drink coffee most.
5. She is surprised to open her mouth.
6. He always sits in the classroom to read books.
7. Last year they bought many books.
8. He stays in the classroom in the morning.
9. This is a lovely girl.
10. She doesn't know the meaning of the word.
11. He buys an expensive clothes for his girl friend.
12. Sun rises from the east.
13. You made several mistakes yesterday.
14. Many people lost their lives during World War II.
15. He studies hard.
16. It seldom snows in the south.
17. There are many stars in the sky.
18. He forgets taking his rain coat.
19. I buy one car.
20. They visited Teacher Li yesterday.