Although I try to talk to my classmates, I still find _______ hard to make good friends with them.
A. them B. they C. it D its
Susan was expecting her favourite singers, but to her disappointment, _______ appeared.
| A．some | B．none | C．everyone | D．no one |
China’s economic development has made ______ rapid progress in the past 10 years, and young people have made ______ great contribution to this progress.
| A．a; a | B．the; / | C．/; a | D．/; / |
—May I open the window to let in some fresh air ?
—_____.
| A．Come on ! | B．Take care ! | C．Go ahead ! | D．Hold on ! |
The project _____ by the end of 2011, will expand the city’s telephone network to cover 2000000 users.
| A．being completed | B．completed |
| C．to be completed | D．having been completed |
Living in the dormitory means _____to take care of yourself, understand each others ' differences and share _____ interests.
| A．to learn, common. | B．learning, ordinary |
| C．to learn, ordinary | D．learning, common |