—When did these symptoms begin, Mrs. Smith —About five days ago, but I’ve been having bad headaches for a while now. —Mm, have you been working too hard lately Are you worrying about something —______. I’ve been quite anxious lately about work at the office.

单项选择题—As you know, I often get persuaded into buying clothes that are far too expensive; and then usually I don’t like them when I try them on again.—That’s because you buy things on impulse. ______ You see something and you buy it.—I know. I’m going to improve my habits and shop around like you.

单项选择题In some parts of the world you will see more and more white marks, ______ special routes reserved for bikes, placed at the edge of the road, protecting cyclists from power-driven vehicles.