Do you know the answer _____ the question?[ ]
What’s wrong with you, Eric? You look tired.— I ________ to prepare for the final exam last night.
I think __________ people will go to Shanghai for the EXPO 2010.
一It looks 1ike a kind of cat.What do you think?一Yes, I ________ .
We __________ in the same school since three years ago.