Một lớp học có \(40\) học sinh, trong đó có \(12\) học sinh nữ. Hỏi số học sinh nam chiếm bao nhiêu phần trăm số học sinh cả lớp?

7. This book (belong)........................to me.

8. My brother often (see)...................you and your sister at the supermarket.

9. Mr Brown (not teach) ...................us English last year, he (teach) …………… us Science.

10. Please quiet! The baby (sleep).............................

11. What …….. (you/ do) ……… tomorrow morning?

- We (travel) ……………. to Hue citadel.

12. Look! The train (come).............................

13. My father (have)..............................breakfast now.

14. We must (learn)................ hard to please your parents.

15. You shouldn't (smoke)......................cigarrettes.

16. We should (collect).......................spare cans and waste paper.

17. People should (eat)..................a lot of fruit and vegetables.

18. What (be)............. their jobs last year ? - They (be) ……….. students.

19. What (your parents/usually do) .............................................. in their free time?

20. Thu (not have) ........................... any apples. She (have) ....................some oranges.

21. Listen ! Someone (knock) ................................... at the door.

22. Don’t (litter) ……. rubbish on the streets.

23. Please (do) ………. your homework more carefully.

24. I (buy) ……… this pen 2 days ago.

25. What ……..(you/ do)…………. last Sunday?

- I (cook) …….. a big lunch and (watch) ……. a good film.

26. We (not be) ………. fat last year, we (be) …………. very thin.

27. They (not work) ………………. hard 2 years ago.

28. My dad (build) …………… this house in 2019.

29. I (write) ……….. Mary a letter yesterday.

30. Mai (buy) ………. a new dictionary tomorrow.