----- Nội dung dịch tự động từ ảnh -----
16. Though a newcomer, his __________ makes him become popular with his classmates.
A. friendliness
B. friend
C. friendship
D. friendly

17. The new textbook focuses more on __________ English.
A. outspoken
B. spoken
C. speaker
D. spokesman

18. Our problem now is how to purify the __________ water.
A. contaminated
B. contaminant
C. contaminating
D. contamination

19. More efforts should be __________ to save endangered species.
A. taken
B. gained
C. put
D. made

20. The captain of the team was __________ the loss of the match.
A. the blame on
B. blamed for
C. to blame with
D. to be blamed of