IX

1. can -> could

2. is -> was

3. fewer -> less

4. finish -> finishes

hồng nhạt, hồng đậm, hồng tươi

VI

1. with

2. doesn't

3. the day after 

4. if

5. where

6. I won't

VII

1. invited

2. don't do

3. have you just won

4. be cleaned

5. to take

6. spending

VIII

1.  destruction 

2. polluted

3. clean

4. effectively