It’s not enough ____ two books in a year. A. read B. reading C. to read
—I don’t know why your English grades are always very good.—Let me tell you. _____ you work, ____ results you will get.
—Jack works very hard, but he can’t get good grades in exams.—That’s because he can’t study____.
—You are always full of energy (活力). Can you tell me the ____?—Taking lots of exercise every day.
Lin Feng has to make a living by himself because his parents have ______ for years.
—How do you like the talk show?—I think it’s ______, but some people think it’s so ______.