What do you usually do ____ lunch time?[ ]
________are they going swimming?-Tomorrow.
Did you watch the Opening Ceremony of the Beijing 2008 Olympic Games?— Yes, I did. It was covered________, and I think it was wonderful.
What are you going to do in the future? –I am dreaming of opening up my ________ company.
In nature some animals actively defend the area_____________they depend for the resources.
