用所给的词填空。(5分)
_____your father a teacher?Tom and I_____good students.(be)
Is that ______(you)schoolbag?No,it isn’t.It’s_______.(he)
Are ____your cousins?_____ is my teacher, Mr. Liu.(this)
How           you             (spell) “book”?
Here are two_____(box)and some English______(dictionary).