The verb "to be" in the Past Simple

We.............in the park yesterday.

My mum...........at home last night.

My friends..........at the camp last summer.

My teacher..........at school yesterday.

My brother............not at the party last night.

I..........not in London last winter.

You..........late yesterday.

Our classmates..........in the mountains last weekend.

The lesson.......... interesting.

My uncle........in America last week.

Tom and Vicky.............. happy at the birthday party.

It..........cold and snowy yesterday.