---How are you?---____________.A I am Lily. B I am OK. C I am 15 D I am at home
---Can I _____your bike?----With pleasure. But you mustn’t _______it to others.
----What can I do for you? ----I want _____ iPad for my daughter. She needs______.
--- _____ our teacher? ---She’s OK, now.
—Who ________ a pet in your class? —Many students ________.
—Are those your CDs?—No, ________ aren’t.