G8-2ND TERM-PREPOSITIONS

I want a laptop (a)   playing games.

The battery of this laptop can last (a)   5 hours.

Your smart phone has similar features (a)   mine.

Please turn down the music; I need to focus (a)   my homework.

Some people think that there is life (a)   other planets.

These laptops are (a)   sale today. They are just half the regular price.

Robots can do most of the work for humans (a)   the future.

The man reported that he saw a UFO (a)   the sky last night.

The boy wants to be an astronaut when he grows (a)   .

The children are very excited (a)   their summer vacation.