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

—The research on the new flu virus vaccine is challenging and demanding. Who do you think can do the job?     —_______ my students have a try?

My car is covered with thick snow and now the engine simply ______ start.

The bus ____ at six, but it arrived an hour later.

—Do you still go jogging every morning?—Yes, I can’t think of a _______________ way to start a day.