1. stopped => stops
2. as => that
3. belong => belonged
4. so => as
5. relations => relatives
6. weekends => weekend; real => really
7. in => bỏ
8. informations => information
9. way => ways
10. so fast => so fast that
11. had rather => had
12. vary => very, by => with
13. What they are doing here is what I'd like to know.
14. have => has
15. it => bỏ
16. up => bỏ (hoặc bỏ : my hands vì wash up = wash my hands)
17. lose => miss
18. How many hours a day do you practice English?