Is ____ three hours ____ the boy___ family is poor to come to school on foot?
______ going to the exhibition.
_______ I admit that there are still some problems about the traffic in this area, I don't mean that it can't be solved.
--I'm going to the post office.--_______you're there, can you get me some postcards?
Are you paying now, or shall I ____ to you?
These winners from that key school are wise and diligent, actually there are _ ____students in that school