45.C

46.B

47.B

48.A

49.B

50.C

NOTE : Bổ sung cho 1 động từ là 1 trạng từ

Bổ sung cho 1 tính từ là 1 trạng từ

45. I felt________ disappointed because of their bad behavior.

A. real           B. reality         C. really         D. realer

46. Hoa's parents_______supported our competition.

A. kind          B. kindly          C. kindness      D. kindness

47. People talk about the pollution in the city more______

A. frequent        B. frequently     C. frequency    D. frequent

48. The air in the countryside is_______ fresher and purer than in the city.

A. actually         B. actual        C. inactual

49. The students in our school participated________in the ''Green Sunday'' project to keep the city clean and green.

A. immediate     B. immediately    C. quick

50. You have to listen to your teacher_______.

A. attentive        B. attendance     C. attentively