---Listen! Is Kate playing the piano in the room? ---No. It _________ be her. She has gone to London with her parents.
Is this ______ ruler? —No. _______ is over there.
Bill likes playing ______ basketball, but he doesn’t like playing ______ piano.
—Would you like to go swimming with me this afternoon? —______ , but I have a lot of homework to do.
There ________a party tomorrow evening.I’ll go with my sisters..
—______ are you going to Beijing this summer holiday? —By plane.