---Tom, must you have the light______ all night? It’s really a waste. ---Sorry, I won’t do it again.
--Who won the __ race? --Liu Mei did.And I won the ___.
Where __ you __ the key? I ____ it yet.
--What’s wrong with you? ---____.
--What are you busy doing these days? ---___ the college entrance examinations.
Today I have ___ things to do.