—Why are you so frustrated, Ben? —I was late for class again. I’m afraid Miss Li will be _________ me.
— Is there _______ in today's newspaper? — Yes. A group of ________ kids joined the volunteers!
— The doctor is busy ________ his work.
________ the small town is!
Could you tell me_________?
—I phoned you at 7:00 this morning. But there was no answer. —Well, maybe I _________ morning exercises at that time.