—— I haven’t seen Johnson these days.—— I think she _______ a conference in Beijing, but I’m not sure.
— The teacher said we had only three days to finish the work. — Don't worry. We have already ________ two thirds of it.
He is such a man who is always finding _____ with other people.
Your novel is perfect; I’ve never read _______ before.
_______homework did we have to do that we had no time to play basketball.
The newly-built road isthe old one.