---Do you feel happy ? ---NO, I feel ____.A. happy B. sad C. warm
—Hefei is a beautiful city, isn’t it?—Yes. There are about two ____ visitors here week.
—When are you going camping?—_____today or tomorrow. We’ll be free these days.
—Mr. Wang, must I come again to clean the window on Sunday morning?—No, you _____ . I have asked others to do it.
—What time will Mr. Green be back to China?—Sorry. I don’t know ________.
—How ____ the medicine tastes!—Yes. But the medicine will really work soon after you take it.