―Was the doctor there when you arrived?―Yes, but he ______ out a moment later.
—She looks very happy.She_______have passed the exam. —I guess so.It’s not difficult after all.
We have every reason to believe that_______2008 Beijing Olympic Games will be_____success.
We haven't settled the question of ______ it is necessary for him to study abroad.
A poet and artist ______ coming to speak to us about Chinese literature and painting tomorrow afternoon.