----- Nội dung ảnh ----- 22. They used to be friends, _____ now they are not. A. and B. or C. but D. so
23. Ann is very sensitive; _____ you shouldn’t comment on his new shoes. A. but B. therefore C. however D. so
24. This event is held to commemorate the national heroes, _____ it teaches children to respect and be grateful to the heroes. A. and B. or C. but D. so
25. You can take a seat, _____ you can go around and take a look. It’s up to you. A. and B. or C. but D. so