---Mary was being badly treated when John happened to pass by and helped her out ---I think it was not a pure______but had been well planned.
The room is too small, there' s no enough ________for another desk.
He has searched the ________ or 2 hours for the information about Yang Liwei.
_________ mother is a worker.
At that time, he was studying in_______ university. And it was a famous one.
Our teacher told us that _______ moon moves around ______ earth, and ________ earth circles________ sun.