We’ll have to race the clock to complete the work on time.
—Ann, I am worried I’m getting fatter. What shall I do?—I think you should eat________ food and do more exercise.
they are twins, they don’t look the same at all.
Tom helped us settle down in this new city, is very kind of him.
—I am going to America.—how long you there?
The geography teacher told his student that the earth ________around the sun .