--Kate,what’s your favourite subject?--___________.We can learn more about the world.
There are many CD-ROMs in the bookshop. I don’t know ____ to buy.
---Hello, may I speak to Millie? ---Sorry, she isn’t in. She _________ Nanjing.
I_______ the piano for two years.
Helen often ______ a lot of time listening to music.
I have work to do today than before, so I have more time _____.