学进去

选词填空。
（ fly  flew  homework  cleaned  clean  visited  was  cooked  had   have  birthday  saw  swam  ）
I often do ________ and ________ my room on Saturday. But last Saturday I ________ my grandparents. Because last Saturday ________ my grandma’s _________. We _______ kites near the river. We ________ some trees and flowers at the river. Some ducks ______ in the river. It was beautiful. My mother ________ big meals for us. I ________ a good time last Saturday.