—I failed in the exam. —I am sorry to hear that. Failure is the mother of ________. Try your best, you will ________. A. success, succeed B. succeed, success C. success, successful
—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