21. Do you go to school on Saturday? - .............
=> C. No, I do not
22. ........? - I am reading books.
=> A. What are you doing?
23. Hoa: It's time for class. .............
Ann: Ok, bye!
=> D. See you soon
24. Is your school yard big?
=> C. No, it isn't
25. ......... does he do every morning?
=> B. What
26. Mary ......... helps her mother cook dinner.
=> C. Sometimes
27. They usually ......... early and do morning exercise.
=> B. Get up
BẠN THAM KHẢO NHA!!!