I’m very tired these days because of walking to school every day.—________ useful exercise you are taking! It can help you keep healthy.

erine,I have cleaned the room for you. ——Thanks,You it. I could manage it myself.

dating back perhaps as far as the SouthernDynasty, _________ its new meaning last September.

Thank God you’re safe!— I stepped back, just _______ to avoid the racing car

will never understand how it________that you were an hour late on such a short journey.[ ]