----- Nội dung dịch tự động từ ảnh -----
31. Whale Festival is the biggest festival of the fishermen, __________ it is common.
A. or B. and C. although D. until

32. The discussion was not exciting, __________ many people left early.
A. however B. because C. although D. so

33. She will go to the club __________ she finishes her work.
A. after B. before C. unless D. while

34. We will clean up the beach __________ it stops raining.
A. while B. though C. since D. as soon as

35. __________ she works all day, she has time to volunteer at a charity.
A. Although B. Therefore C. Because D. However

36. Don’t forget to turn off the lights __________ you go out.
A. because B. before C. though D. after

37. Everyone had to carry him __________ he was injured.
A. but B. so C. therefore D. because

38. I bought two toothpastes, __________ they gave me another one for free.
A. after B. before C. and D. but

39. They went to Hoi An, __________ they didn’t buy any souvenirs.
A. therefore B. but C. so D. before

40. You can take this medicine, __________ you can drink hot ginger tea.
A. and B. so C. or D. but

41. A: __________ was the biggest typhoon?
B: It was the Typhoon Tip.
A. When B. Where C. What D. How