______ of the workers in the computer factory is about two thousand, and ______ of them are women workers.
| A．The number; second third | B．A number; three quarters |
| C．The number; two thirds | D．A number; half second |
— You’re at ______ liberty to say whatever you like.
— I think you’re taking ______ risk by investing everything in one company.
| A．the; / | B．the; a | C．/; / | D．/; a |
_________ your composition carefully, some spelling mistakes can be avoided.
| A．Having checked | B．Check | C．If you check | D．To check |
It was very wise of you to ______ well trained workers______ untrained ones in today’s society.
| A．substitute; for | B．in place; of | C．replace; by | D．substitute; with |
-----What is the noise?
-----Oh, I forgot to tell you. The new machine _________.
| A．was tested | B．will be tested | C．is being tested | D．has been tested |
-----I found it hard to get along well with Tina.
-----Set aside________ you disagree and try to find_________ you have in common.
| A．what; what | B．whether; what | C．what; whether | D．where; what |