—____ your sister know Lucy?—No, she ____.
of the teachers in our schoolwomen.
----- Which is your favorite sport, swimming, running or skating? ------_______ of them. I like water skiing best.
— Would you please tell Maria about it? — _________
— Would you like to sing some songs with us? — _________ I have to cook.
— May I _________ Lily? — I’m afraid you have the wrong(错误的) number.