3、r.(4)________ison12thMarch.4.(1分)用方框中单词的适当形式填空。第7页共7页have sit be look open(1)There________threesmalleggsandabigegg.(2)MotherDuck________ontheeggs.(3)Thebigegg________later.(4)Itiswinter.Itiscold.Theuglyduckling________nohome.(5)Theuglyduckling_____