IT IS NOT GOOD FOR YOU TO STAY UP TOO LATE. => YOU SHOULDN'T......

6. It is not good for you to stay up too late.

=> You shouldn't...

Key

I.

1B; 2D; 3C; 4D;

II.

1C; 2B; 3C; 4D; 5C; 6A; 7A; 8B;

IV.

1C; 2B; 3D; 4A; 5A; 6B;

V.