30． the people have become masters of their own country that science can really serve the people.
| A．Only then | B．It is only when | C．Only when | D．It is only then |
_______ late, he also forgot his books
| A．Not only he turned up |
| B．Not only he turned out |
| C．Not only did he turn out |
| D．Not only did he turn up |
In_______ of the dead soldiers,a grand _______was built on the spot of the great campaign
| A．memory; memory |
| B．memory; memorial |
| C．memorial; memory |
| D．memorial; memorial |
I’d like to do something for you _______everything you’ve done for me.
| A．in exchange |
| B．in turn |
| C．in return for |
| D．in terms of |
If you don’t know the meaning of the word, you can_______ in a dictionary.
| A．look it up |
| B．look up it |
| C．refer to it |
| D．consult in |
Mr White, along with his assistants, _______ on the project day and night to meet the deadline.
| A．work |
| B．working |
| C．is working |
| D．are working |