15.A

16.B

17.D

18.C

19.B

20.A

21.C

22.A

23.A

24. That is a house husband who cooks, cleans and takes care of the children.

25. My mother is doing the job, which is quite demanding.

26. The restaurant which we had a reception was wonderful.

27. he was an electrical engineer.

28. is devided equally among the family members.

29. played games for an hour.

30. Ty had had a university degree, he would have been able to find a job.

III. LEXICO - GRAMMAR 

Choose the correct answer to each of the following questions.

15. A. waving (Vì là ngôn ngữ không tiếng nói nên chỉ có vẫy tay là hợp lệ)

16. B. attractiveness (Ở đây cần dùng một danh từ)

17. D. higher (Higher education: đại học)

18. C. will (Câu điều kiện loại 1)

19. B. to (Get married to sb: cưới ai đó)

20. A. kept (Câu điều kiện loại 2)

21. C. said (Peter đang kể về dự định của cậu ấy nên chữ dùng được said)

22. A. have sung (Câu có since dùng thì HTHT)

23. D. was admitted (Chỉ có câu D dùng bị động và đúng ngữ pháp)

IV. Writing

A. Combine each pair of sentences, using ''who'' or ''which''

24. That is a house husband who cooks, cleans and takes care of the children. (Who: chỉ người)

25. My mother is doing the job which is quiet demanding. (Which: chỉ vật)

26. We had a wedding reception in that restaurant which was wonderful. (Which: chỉ vật)

B. Finish the second sentence so that its meaning is closet to the first one. Begin each sentence with the word(s) given.

27. Mr Khoa said he was an electrical engineer.  (Câu tường thuật)

28. The housework is devided equally among the family members. (Câu bị động)

29. The children have played games for an hour. (Trẻ con bắt đầu chơi trò chơi từ một giờ trước = trẻ con đã chơi trò chơi được 1 giờ)

30. If Ty had had a university degree, he would have been able to find a job. (Câu điều kiện loại 3)