Zhu Zhiwen’s never been to Hongkong, _______?
— Look! The light is still on in our teacher’s office.— Probably she ______ her work yet.
— Your watch looks really nice.— I ______ it in a small shop last week.
— Oh, I left my dictionary in your house.— Don’t worry. I ______ it to school tomorrow.
Dentists always tell people ______ too many sweets.
There ______ a library and three Xinhua bookshops in the town.