Prepositions of time-Activity 1

We have English ___ Monday morning.

I usually wake up ___ 6:30.

My birthday is ___ the 1st of January.

People often travel ___ the summer holidays.

He brushes his teeth ___ going to bed.

The exam is ___ the 12th of March ___ 9:00.

• on

• at

The thief was caught ___ midnight.

We celebrate National Day ___ December 16th.