I.

1.John has chosen for the school football team.

2.The teacher doesn't speak slowly enough for me to understand.

3.This is the first time he has got to the church for a wedding.

4.The story wasn't boring,was it?

5.Unless we don't try to save our sources of energy,they will soon end.

II.

1.I have a five-year old sister.

2.Nam is 10 cm taller than Mai.

3.No matter how she was hard-working,she failed the  exam.

4.I and he speak the same language.

5.Despite her good performance,she didn't receive good comment from critics.