( ) this your dictionary?

—where is my id card? i don’t know.please a ___jim.—is this your key?(改为同义句）is this key____?—ann,you must_______（ask）your mother for it（用括号里的单词的适当形式填空）—mum,where______（be）my cd and dictio is this your skirt this is your Maybe this is your Is this your uncle? 英语ls this your this is your aunt. ls this your is this your business Is this your schoolbag? Is this your (空格) Is this your schoolbag? this is your pencil ls this your school? Is this your cake. This is your explanation? Is this your-----photo ( ) this your dictionary?