用方框内所给词的适当形式填空。

    I a very funny day last Saturday. I to a park with Simon and his mum. We sandwiches and we to have a picnic. There a big lake in the park and there lots of ducks. Then it to rain. We quickly under a tree. We want to get wet. Then those ducks all the sandwiches! So we went home. We were wet, hungry and angry.