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