The firemen soon ________ the big fire.
Where is your Chinese teacher? –Sorry, I ___________ know.
I’d love to come to your beautiful house. If you invite me, I _______ say “no”.
Their teacher was ill, so they sat inthe classroom__________.[ ]
What do you think of the EXPO 2010？— It’s great， of course. people are going to Shanghai for the EXPO 2010.