Nowadays people can get much from TV and the Internet.
—Which city has __________ population, Shanghai, Hangzhou or Ningbo? ----Shanghai, of course.
–How well she sings! ---Yes, she has a very sweet ____________.
–What should I do, doctor? --________ healthy, you should take more exercise.
Those two boys are twins, _______, they look very different.
— May I take the magazine out of the reading room? — No, you can’t. You ______ read it here. It’s the rule.