用所给单词的适当形式填空. 小题1:Those are

用所给单词的适当形式填空.
小题1:Those are （pen）.
小题2:（be）those your parents?
小题3:This is （he）ruler.
小题4:I have two dogs. I love (they) very much.
小题5:How are ____________(your)?
小题6:He _________(be) Bob Smith.
小题7:Is this （Tom）son?
小题8:Are these your (picture)?
小题9:They are my ( photo).
小题10:Is this your pencil? No, it’s not ．( I )
小题11:Here (be ) your family photo.
小题12: Are _________ (this) her teachers?
小题13:Is this notebook ? (she)
小题14:You must (find) your notebook.
小题15:Are these pencils ? No, they aren’t. They are Anna’s.(you).