4、我们的)Classroomisbigandbright。19.Thebigandbrightclassroomis(我们的)20.Hewillcatchupwith(我们)。21.(他的)bikeisred。22.Theredbikeis(他的)。23.Iamworriedabout(他)。二.填写下列表格中代词。I itwe you them his your hers 三.用所给词的适当形式填空。1.Thatisnot_________kite.Thatkiteisverysmall,but_________isverybig.(I