– Do you think Sonia will pass the math exam?– Sure. She’s ________ so much time on it.A. cost B. paid C. spent
--- Remember to give your mother a call when you get the news. --- ____________ . Don’t worry.
Betty had nothing for breakfast, ____________?
____________ people went to the concert which was held in People’s Square the night of May Day.
You should ____________ your hands if you want to ask teachers for help.
There is someone knocking loudly these days, I can’t stand the ____________.