33. where you were yesterday
dịch: cô ấy muốn biết bạn đã ơ đâu tối qua
35. is being watched(by them) 

36. Her absence, she didn't know the resolution: vì cô ấy nghỉ nên cô ấy ko biết cách giải
37: Cho if vào giữa 2 câu này
cách 1: Paul doesn't care about the environment if he wastes so much water
cách 2:(thêm dấy phẩy) is Paul wastes so much water, he doesn't care about the environment

38( xin lỗi trình độ của mình cũng chỉ amateur nên ko chắc câu này) Water pollution can lead to dead animals such as fish

39. After graduating from university, he went abroad to work

40.going by train is cheaper than (going) by air

Question 33: She wanted to know if you had been here the day before

Question 34: He has swum since he was 10

Question 35: My father's new car is being watched

Question 36: Because of her absence from the meeting, she didn't know the resolution

Question 37: If Paul think about the planet, he will not waste so much water

Question 38: Water pollution leads to the death of many aquatic animals such as fish

Question 39: After having graduated from university, he went abroad to work

Question 40: Going by train is cheaper than going by air