Part5: 

1. A new style of Jeans have been introduced in the USA

2. The laptop has been bought is very expensive 

3. Lan told me she was waiting for her parent then

4. If we had enough money, we could have a holiday 

Part 6:

1.bad

2.human

3.being

4.of

Part 7: 

1.F

2.T

3.T

4.T

Part 1: 

1.play

2.beautifully

3.rain  

4.however

5.which

6.who

PART 5:

1. A new style of jeans have just been introduced in the USA.

2. The laptop has been bought by Nam is very expensive.

3. Lan told me to wait for her parents then.

4. If we had enough money, we could have a holiday.

PART 6:

1. facing

2. Badly

3. Pollution of

4. naturally

PART 7:

1. F

2. T

3. T

4. T

PART 8:

1. play

2. good/ beautifully

3. rain

4. However

5. which

6. who