Prepositions of time

We get up __ the morning.

• at

• in

• on

We go to bed ___ night.

• on

• at

• in

It's always hot ___ summer.

They were married ___ 1990.

• in

• at

• on

• since

It has not rained at all ___ two weeks.

Kevin and Joe have been in the same class ___ first grade.

• for

• since

• on

Jane is arriving ____ January 26 ____ 2 o'clock ____the afternoon.

• in / at / on

• on / at / on

• on / at / in

• at / on / in

The conference begins ___ Friday ___ 2 PM, and it will end ___ next Monday.

• on / at/ no preposition

• at / on / no preposition

• no preposition / at / on

• on / at / in