Was or Were

I . . . at the park yesterday

She . . . happy this morning

They . . . in Yogyakarta last week.

The cat . . . in the kitchen last night.

We . . . in the classroom yesterday.

It . . . rainy last week.

They . . . happy last night.

You . . . late this morning.

Andi, Aldo and Dinda . . . sick yesterday.

I and Sandy . . . in the library last month.