Must I finish my homework first? No, you ________.
I’m not sure _______ red and white are a good match.
–Can I give you a cup of tea?--________.
_______ blue _____ good for your mind and you look good _______ blue.
–Excuse me, sir.Smoking ________ in the hospital.--Oh, I’m really sorry.
Many people think life ______ a race.It’s full of up and down.