—The box is too heavy to carry. What's in it? —Oh, it is ________ books.
So far, the AIIB(亚投行)_____ 57 countries to be the founding members.A. attracted B. has attracted C. will attract
—Don’t smoke here, Dad. Smoking _____ in public places.—Oh, sorry. I’ll stop right now.A. isn’t allowed B. aren’t allowed C. doesn’t allow
—What would you like, tea or coffee?—_____, thanks. I just prefer a glass of water.A. Both B. Neither C. Either
— Miss Lin _____ my desk-mate with her lessons when I left school.—She is really a nice teacher.A. helps B. is helping C. was helping
—_____ does your father go to the fitness center?—He exercises there twice a week.A. How soon B. How often C. How long