–What do you think of your brother?--He is honest and useful man.
–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.
The West lake is so beautiful. I want to stay in Hangzhou for _______ two days.