用the，a，an填空

1．－My hobby is playing ________ piano．What about you?

－Playing ________ table tennis．

2．All of ________ students in our school must wear uniforms．

3．Which is ________ largest city in China?

4．There is going to be ________ English party next weekend．Would you like it?

5．I can see ________ picture on the wall．________ picture is about my classroom．