-What time do you usually go to bed?-I usually go to bed____eight o'clock.
--- ______________do you go for a trip with your family? ---Once a week.
--It's hot outside. Let’s go swimming? ---That ________ good.
The box is _______ than I thought.
—My mother has a backache in hospital—_________________.
—We’re going to Mountain Yandang this weekend.— _____.