补全对话,每空一词 ( )know.where 's my backpack? ( ) under the table? no,it( )
问题描述:
补全对话,每空一词 ( )know.where 's my backpack? ( ) under the table? no,it( )
答
do you
is it
isn't
答
u isnt it isnt
答
you?it's isn't