16. Nam asked Ha if she could buy him an English exercise book.
17. Toan's father told him to get up earlly to learn his lesson.
18. Nga's teacher said to Nga that she should improve her English pronunciation.
19. The doctor said to Mr Hoang that he should stay in bed for a few days.
20. Hung is strong enough to carry that heavy box.
21. The fire isn't hot enough to boil the kettle.
22. The weather wasn't warm enough for us to go swimming.
23. Jane swims skillfully.
24. Lan is a good English learner.
25. Loan swims well.
26. Hung is a fast runner.
27. Films are more interesting than plays.
28. French is more difficult than English.
29. Bill isn't as intelligent as Jill.
30. I'm lucky enough to have a friend like you.
31. My father used to smoke 20 cigarettes a day but now he doesn't smoke anymore.
32. Tom is strong enough to lift that heavy table.
