30 C

31 B

32 D

33 B

34 C

35 A

everybody

over a billion dolars

relieve the symtoms

no there isn't

VI

1 Everybody can get the common cold

2 A billion dollars is spent on cold medicine every year

3 This medicine can relieve the symptoms

4 No, It can't

5 No, there isn't

VII

1 What is your brother's height?

2 Because Lan was sick, she was absent from class yesterday

3 How heavy is the parcel?

4 Where do you live?

5  How much is you weight last year? 

VII.

36. are

37. are studying

38. plays

39. is playing

40. stay

VIII.

41. sai đề k nhỉ? these shoes là số nhiều cơ mà, sao lại có does, it, costs đc?

42. C. hang -> hanging (be interested in N/ Ving)

43. B. bookshelf-> bookshelves

IX.

44. C

45. B

VII.

1B

2A

IX.

1C

2A

1. C

2. A

3. D

4. A

5. C

1-a

2-b

3-c

4-d

5-a