—Where ______ your food?—I only have two hamburgers. They ____ on the table. 

I have two cats. One is black, and ______ is white.

—Would you like _______ or shall we go by bus?— I prefer _______,but we have to take a taxi, for time is short.

Must we finish all the homework today or tomorrow?                    – You ____ worry about it. You may hand it in next week. 

The new shop announced that the first to purchase goods on the opening day         get a big prize.