Part 1:

1. with

2. does

3. after

4. if

5. where

6. I won't

Part 2:

1B 2F 3A 4E 5C 6D

Part 3:

1. invited

2. will play

3. have just won

4. be cleaned

5. to take

6. beautifully

7. impression

Part 4:

1. read -> reading

2. disappointing -> disappointed

3. environment -> environmental

4. who -> that

Part 5:

1. the bad weather

2. are made to study

3. were good at learning

4. going to the English

1 This meal didn't cost as much as I though

2 I've never seen such a bad film

3 Is that the best you can do?

4 There is less dry in the North than there is in the south of England

5 She was not expected to be so beautiful

6 The meeting went more smoothly than it did last time

7 You lead 

8 Helen earns twice as much as I do

9 The other teams have gone less games than they 

* đơn chất : nitơ được tạo từ N

  Vì được tạo từ 1 chất

* hợp chất : 

- magie oxit được tạo từ Mg , O 

- Axit clohidric được tạo từ Cl , H

- lưu huỳnh đi oxit được tạo từ S, O

 Vì đều  được tạo từ hai chất 

Part 6 : 

1. especially

2. with

3. goods 

4. perform

Part 7: 

1. T

2. F

3. F

4.T

D

D. 45⁰

D