Question 38:
Mish had his tooth decayed, he refused to see the dentist.
Answer: B. but

Question 39:
You must do well in the test, or you will not graduate.
Answer: C. or

Question 40:
Anna thinks she ought to go to university, for she wants to get qualifications for her dream job.
Answer: C. for

Question 41:
You can go to the theatre with us, or you can go there alone.
Answer: B. or

Question 42:
He invested a lot of money in this business, but it went bankrupt in a very short time.
Answer: A. but

Question 43:
It rained heavily, so the show was cancelled.
Answer: B. so

Question 44:
The students didn't revise for their exams, nor did they realise how important the exams were.
Answer: A. nor

Question 45:
Peter wonders if he should stay home and watch TV, or if he should go out and have dinner with his friends.
Answer: B. or

Question 46:
The boys are playing games, and the girls are watching TV.
Answer: C. and

Question 47:
Linda practices singing every day, for she wants to become a singer.
Answer: C. for

Question 48:
The show was postponed because the singer had a serious accident.
Answer: C. because (alternative answer not in provided options)

Question 49:
I tried my best in the final test, but the result was not as good as I expected.
Answer: A. but

Question 50:
She loves comedies, but her husband is interested in action films.
Answer: B. but

Question 51:
My family really loves Japanese food, so we order it twice a week.
Answer: B. so

Question 52:
Van Cao was a gifted composer, and he won many national prizes, including the Ho Chi Minh prize.
Answer: B. and

Question 53:
I should practice more for the competition, but my health hasn't been excellent recently.
Answer: C. but

Question 54:
You can go to the movies with me, or you can go to the concert alone.
Answer: B. or

Question 55:
Would you like to go to the cinema or watch at home?
Answer: B. or

Question 56:
She has a potential voice, but she doesn't intend to pursue a career in music.
Answer: A. but

Question 57:
He has an emotive voice and skillful performance.
Answer: A. and

Question 58:
John's voice is nice, but his performance style is not good enough.
Answer: C. but

Question 59:
This singer was nominated for 10 Grammys, but he won two.
Answer: D. but

Question 60:
Mike was a famous singer, but he had a bad singing voice.
Answer: C. but

Question 61:
Close the window and turn off the lights when you leave the room.
Answer: D. and