-- Look ! Mr. Zhang is over there.-- That _______ be him. He has already gone to Taian.
The first thing_______ I am going to do this evening is to write to my father.
She got married ___________ a policeman twenty years ago.
____________ you study , _______________ grades you’ll get.
The box is ________ heavy ________ I can’t lift it.
She said she______the new school rules already.