33. It took us four hours to fly from HCM city to Bangkok  

34. If you practice speaking English everyday , you will improve your English

35. My mother isn't used to going to work without having breakfast

36. Kjell Lindgren , who is a NASA astronaut , is replacing items inside the ISS 

37. This English course that concentrates on ......  is very helpful for me

38. Mình không rõ đề bài

39. When we arrived , the bus had left at 9 o'clock .

33. It took 4 hours to fly from Ho Chi Minh city to Bankok.

34. If you practice speaking english every day, you can improve your English.

35. My mother isn't used to going to work without having breakfast.

36. Kjell Lindgren, who is replacing items inside the ISS, is a NASA astronaut.