Why do some governments spend billions of dollars on military expansion ________ the people of these countries are still suffering from starvation and poverty
Mother was always a bit __________ if we failed to arrive home on time especially on weekends.
I hope ____ them in Tianjin.
Plants _________carbon dioxide and at the same time _________oxygen. So we may put some in our bedrooms to purify the air.
They decided _______ by bus.