EXERCISE 1: CHANGE INTO PASSIVE
1 Mr Nam must finish his work on time
2 We have to do our homework every day
3 I will hang these old pictures in the living room
4 you should't drink coffe
5 She can use this computer skillfully
6 You should have a blanced diet
7 My parent won't move this fridge into the living room 
8 Lee can't carry this heavy table
9 We ought to do morning exercises regularly