and is that your mother的答句

This is my pencil ,and that is your.改病句 and what is that in your( )( is it a pen? Please check that your Internet connection is enabled and that your firewall is notblocking access Mot Is that your ruler____the lost and found ____?一空一词, Is that your sharpener in lost and _________(find)case? and is that your mother的答句 Who is that girl ( ) your mother and father in,the,that,your,and,lost,found,box,key,is Is that your schoolbag in the () and()(失物招领box It is your loving and your caring and kmowing that you 're near what is it that is over your head and under your hat Is that your computer? that is your pen. Is that ( ) your sister is that your friend? is that your desk? Is that your