选词填空或根据提示写单词。 (1)Where_______( am / is / are ) the children? (2)He is ________( play / playing ) basketball. (3)_________( What / Where ) is the supermarket? It is next to the school. (4)I live _______( at / on ) No.2 Park Street. (5)Where is the station? Turn _______( left / on ), go straight on.