IV. Put in am/is/are/was/were. Some sentences are in the present and some in the past. (Выберете нужную форму глагола

1) Last year she was 22, so she is 23 now. 2) Today the weather is nice, but yesterday it was cold. 3) I am hungry. Let us have dinner.  4) I was hungry last night, so I bought a sandwich. 5) Charlie Chaplin died in 1978. He was a famous film star. 6) Where are the children? 7) I don’t know. They were in the garden ten minutes ago.