---Hi, Henry. How are you? --- A. How do you do? B. How are you? C. I’m fine, thanks
—I called you this morning, but nobody answered.—I _______ the flowers in my garden at that time.
Helen caught a cold the day before yesterday. But she’s ______ today.
—How many students are there in your school? —About_______ students, I think.
Tom is ______ of the six boys.
——Must I take the medicine every day?—No, you _______.