Preposition of Time (in, at, on)

Dinner is usually___7 o'clock

• in

• at

• on

We have a long holidays___summer

• in

• at

• on

When have we got biology? It is____Friday morning

• in

• at

• on

There’s a school party _____ 31^st January.

• in

• at

• on

We are _____ the 21^st century.

• in

• at

• on

There are usually a lot of parties _____ New Year’s Eve.

• in

• at

• on

Do you get any presents _____ Christmas Day?

• in

• at

• on

He was born _____ 1999.

• in

• at

• on

He gets up at 7 o’clock _____ weekend.

• in

• at

• on

She was in hospital _____ that time.

• in

• at

• on