用am，is，are填空 1. What _____ those? _____ they birds?

用am , is , are 填空。 1. I _____ Kate. He _____ my br 用am,is,are填空.1.what()g\those?2.this()his ruier.3.where()his What are those _____ are apples 用am, is或are填空。  1. He _____ my cousin.    用am, is, are填空 1. I _____ a teacher.     用am,  is,  are填空 1. I _____  a 用动词的正确形式填空1.listen.The birds are _____(sing)2.We_____ ______ 用介词填空 They talk _____ a long time .What are they thlking ___ 用is.am.are填空 where ( ) they? 填空：这个用英语怎么说?What is this _____ _____? 用适当介词填空what is your sister doing _____ vacation?I am going t 用am,is,are 填空 1.I ______ a boy.______ you a boy?No,I _____ n