Bài 1. rewrite using passive voice
21. The security didn't let us pass the river.
We​​​ were not let to be passed the river 
 
22. It's your duty to make tea today.
(Supposed)​​​​​​=> making tea is supposed to be your duty today
23. Your job in the company is to clean up the rooms.
(Supposed)​​​​​​ => cleaning up the rooms is supposed to be your job in the company 
24. It’s her turn to do the presentation after the break.
(Supposed)​​​ => it is supposed to be her turn to do the .....
 
25. You should have done the homework.
(Supposed)​​​=> the homewwork is supposed to be done 
 
26. It's impossible to solve this problem.
The problem​​​ is impossible to be solved
 
27. It's necessary for you to type this letter.
This letter​​​ is necessary to be typed 
 
28. It’s important for us to remember the password.
(Should)=> the password should be remember 
Bài 2.rewrite the sentences, uising comparative/ Superlative
1. I'm older than your brother.
Your brother is​​​ younger than i am 
 
2. Petrol is more expensive than it used to be.
Petrol isn't​​​ cheaper than it used to be 
 
3. There were less casualties than in the other accident.
There weren't​​​ much casualities than in other accident 
 
4. I know your children better than you.
You don't​​​ know your children much than i do 
 
5. I usually get up earlier than my wife.
My wife usually get up later than i do 

Ex1

21. We​​​ were not allowed to pass the river.

22. Making tea is supposed to be your duty.

23. Cleaning up the rooms is supposed to be your job in the company.

24. Doing the presentation after the break is supposed to be her turn.

25. Doing the homework should be supposed to be you.

26. The problem​​​ can't be solved.

27. This letter​​​ needs typing.

28. We should remember the password.

Ex2

1. Your brother is​​​ younger than me.

2. Petrol isn't ​​​as cheap as it used to be.

3. There weren't​​​ more casualties than in the other accident.

4. You don't​​​ know your children as well as me.

5. My wife usually gets up later than me.

#TIB