3. A i don't think I saw her

4. C You see, it's like this. I've corrected all the typing mistakes

5. B No, I;ve definitely done it

6. A Yes, that's quite correct. I've taken it

7. C You may not believe me, but actually I designed the plane model.

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V.

23. D terrible >< tuyệt

24. A modern>< cổ kính thuộc về lịch sử

25. B clean >< bẩn

VI. 26. A - rode

27. C - so

28. B - doing

VII.

29. A educational

30. C see

31. A visit

32. B programmes

33. A play

VI.

34. D Parents and teachers

35. A Muscles and bones

36. A Fit

37. C Yes, they can

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1. Open the door

2. Close the window

3. Turn off the lights

4. Sit here

5. không rõ câu nói gì nhưng từ eat phải là eats