用代词的适当形式填空
These books are ____ (she).
___name is Li Lei. (he)
Thank ___ very much. (you)
He is in ____room. (us)
Are ____ Chinese? (he)
How old is ___? (her)
Excuse ____.(I) May I use your ruler?
This is ____ classroom. (we)
Can ____ spell it, please? (you)