When I was twenty, I had to ___ before graduation and work in a clothes shop to help support my family.
| A．drop out | B．come out | C．leave out | D．stay out |
As ________ birthplace of Huaxia civilization, Xi'an is ________ city with a long history and abundant cultural relics.
| A．the; a | B．a; a |
| C．/; a | D．the; / |
University is ________ most worthwhile time of discovery and learning, and it is also ________ very enjoyable and valuable experience for every one of us.
| A．a; a | B．the; / |
| C．/; a | D．a; the |
The patient's family has expressed their ________ to the press in letters for the money raised.
| A．purpose | B．apologies |
| C．gratitude | D．sympathy |
It was a difficult job for him.He had tried everything but it made little ________.
| A．use | B．good |
| C．difference | D．result |
In his absence, I would like to thank all concerned on my brother's ________.
| A．behalf | B．part |
| C．business | D．interest |