The girl ( 填be动词 ） Jack's sister.

The girl ( 填be动词 ） Jack's sister. 1.i( ) a boy.( )you a boy?2.the gril( )jack's sister.填写be动词 用be动词的适当形式1) the girl ___jack‘s sister.2) the dog___tall and who is the ( ) girl?She's ( )my sister.填冠词 the little girl with big eyes （ ）（be）my sister,填啥 Jack and I ( ) nine 填be动词 The girl must be your sister ,______she? My sister ______(be)always apolite girl.填什么? ( ) the girl in red you?Yes,she is .括号里填哪一个be动词啊 1.Tom and Jack's ( 填 ) （room） ( 填 )(be)clean. The girl and the boy my sister and brother.（be） The girl under the tree must be your sister.(变否定句）如何改写?