43. If Im not busy tomorrow, I will attend the rock concert.
--> Unless i'm busy tomorrow, I will attend the rock concert.
44. I think telling lies to your parents is not good at all.
--> You shouldn't tell lies to your parents.
45. The students were excited about the robotics exhibition.
--> The children found the robotics exhibition exciting.
46. It's possible that andy will go to the amusement park with us.
--> Andy may go to the amusement park with us.
47. I advise you to take of your shoes before you enter a vietnamese house.
--> You should take off your shoes before you enter a Vietnamese house
B
47. What/ you/ do/ if /it /rainy/ tomorrow ?
--> What will you do if it is rainy tomorrow ?
48. Would/ you/ like/ have/ sleepover/ this Sunday ?
--> Would you like to have a sleepover this Sunday ?
49. My mum/ fond/ listen / classical music/ the concert hall.
--> My mum fond of listen classical music in the concert hall.
50. The London Eye/ very popular/ tourists.
--> The London Eye is very popular of tourists.