Câu số 21:  

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Her academic performance has greatly improved since she          her study methods.

Câu số 22:  

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

You like the food here,           ?

Câu số 23:  

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

The whole world is waiting           a vaccine against Covid-19.

Câu số 24:  

Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges.

Jenny and Kathy are arranging to see a new film.

Jenny: "Why don't you come over and see the new film with me?"

- Kathy:'____'

Câu số 25:  

Mark the letter A, B, C, or D on your answer sheet to indicate the option that best completes each of the following exchanges.

Helen and Sarah are talking about their school's field trip.

- Helen: "This is the best field trip we've ever had."

- Sarah: '_____'

Câu số 26:  

26:

Câu số 27:  

27:

Câu số 28:  

28:

Câu số 29:  

29:

Câu số 30:  

30: