—What would you like ____?—Some milk, please.
—Is your uncle an ________? —Yes, he recently invented ________ useful machine. A. invent, the B. inventor, an C. inventor, a
—There is too much ________ on the floor. Why did you make it much too ________? —Sorry, Miss Gao. I will clean it at once. A. dirty, dirt B. dirt, dirty C. dirt, dirt
The earth gets ________ every day, so we should stop ________. A. polluted, pollution B. pollution, polluted C. pollute, pollution
She some mistakes in her exercises the day before yesterday.
—Will you come to the dinner party? —I won’t come until Jenny .