Only ___________ the students exercise for more than half an hour every day.
—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
— It will _____ only about 50 minutes to travel to Mount Wuyi by high-speed railway.—Wow, how exciting! I can’t wait.A. take B. spend C. cost
—Doctor Wang, I’m feeling much better. Must I go on taking the medicine?—No, you _____. You’ll get well soon.A. can’t B. mustn’t C. needn’t