Question 1: B. sports

Question 2: C. endangered

Question 3: B. species

Question 4: D. another

Question 5: C. athletes

Question 6: B. discarded

Question 7: A. ordinary

Question 8: B. has developed

Question 9: A. had been waiting

Question 10: D. who

Question 11: C. whose

Question 12: C. whom

Question 13: Mình không chắc câu này lắm

Question 14: C. to be interviewed

Question 15: B. explained

Question 16: C. did she

Question 17: D. does he

Question 18: D. It was on my birthday that

Question 19: A. It was you who took my car

Question 20: C. reported

Question 21: B. to have designed

Question 22: B. which held -> which was held

Question 23: A. being -> (None)

Question 24: D. won't she -> will she

Question 25: A. amusement

Question 26: D. resting

Question 27: B. during

Question 28: C. educational

Question 29: B. a space station

Question 30: C. It could cause considerable damage

Question 31: A. the pieces will be concentrated in one area

Question 32: A. worry