Question

Answer 1

28 C

29 A

30 B

31 A

32 A

Answer 2

33 New devices have been invented by scientists to help people live a longer life

34 If I had enough time, I could travel around the world this summer

35 She asked me where I was going

36 The waitress asked the little boy if/whether she wanted her to call his Mom

36 If I knew the answer, I would tell you

Answer 3

38 Most people had left before the volcano erupted

39 This time tomorrow, I will be playing badminton with my friends

40 He asked if I knew the way to Nguyen Tat Thanh Square