-I am sorry to step on your feet! -_________ . A. Good luck B. Don’t say that C. Never mind
—A new study proves(证明) a walk every day is enough to keep people away from fat.
I want to buy something________.
—I’m afraid I'm too fat. —Don’t worry.________ you exercise, ________ you are.
Why are your clothes always _______?
– You bought the car about ten years ago? -- Yes. it’s old, it still runs well.