Susie __________ (have/had/having) a bird house.One day a beautiful red bird ___________ (come/came/coming).It _________ (made /make/making) a little bed in the house .Then it __________ (spent/spend/spending) a lot of time in the house.Susie____ (went/go/going) near to the house and _____ (seeing/see/saw) three baby birds .Soon they_________(become/becoming/became) big birds and __________ (fly/flew/flying) away.