Either the Greek or the Australian ________ the boxing competition.

My father with my mother __________ my grandparents’ home every Sunday. 

He is the only one of the students who ______a winner of a scholarship        for three years.                                                         

There _____ ten desks in this room but there aren’t _____ in that room.

I took mathematics and physics because I think that ________ very important for me to make further research in this field.