The price in different countries will be based________and local economic conditions.
| A．in advance | B．in conclusion | C．on demand | D．at all costs |
_____ we have enough evidence, we can’t win the case.
| A．Once | B．As long as | C．Unless | D．Now that |
The teacher asked us not to______ our books or dictionaries when we are in the exam.
| A．refer to | B．look up | C．take up | D．consult to |
The manager wants to see progress in the company, and I am sure that he will_____.
| A．in detail | B．in turn | C．in charge | D．in time |
I certainly consider _____ important that everything in the competition should be fair and open.
| A．what | B．this | C．it | D．that |
Suddenly the idea came to me _______ I might turn to my teacher for help.
| A．what | B．that | C．which | D．whom |