Prepositions IN, ON, AT

I always go to school...eight o'clock in the morning.

We often go to the river...summer.

I always have six lessons... Monday.

It's very cold...January.

My friend was... seaside in summer.

I wasn't... school yesterday.

My uncle lives...village.

I get up early...the morning.

Ukrainian people celebrate Independence Day ...the August,24

He wasn't... home last night.