用be 的正确形式填空并翻译( am is are was were）

用be 的正确形式填空并翻译( am is are was were）
1long long ago there___an old king in England.
2JackyChan acted in the film" Who ___I"?
3 The twins____strong ten years ago.They often played basketball.
4The cupboards___not dirty now.