помогите составить предложения с слово сочетаниями

People like to dance on the dance floor.

 He was the best lead guitarist in his band.

My girlfriend is the most beautiful.

The middle-class society is the numerous group in our country.

I like to spend time in night-club.

I know the most famous disc jockey in my city.

The music industry is the most expensive.

The film was full of special effects.