1.i( ) a boy.( )you a boy?2.the gril( )jack's sister.填写be动词 求你们了.
问题描述：
1.i( ) a boy.( )you a boy?2.the gril( )jack's sister.填写be动词 求你们了.
3.( )your brother in the classroom?4mike and liu tao ( )at school.5who( ) who [ ]the man?6the man with big eyes[ ]a teacher.谢
答
am,Are,is,