—Have you ever visited the Water Cube? —Yes. When I served as a volunteer in Beijing, I it twice.
Ripe apples________, as an experienced farmer once told.
Someone ______ up your seat to the lady with a baby, please.
---So you think we should sell the house and move to the country. ---_______. We badly need the fresh air there.
He’s looking for a new job, one _____ he can get more money to support his family.
Our school have planted different kinds of trees and flowers, _____ a beautiful and peaceful environment for students..