The boss made him work 14 hours a day. That means, he _______ work 14 hours a day.
| A．was made | B．made | C．was making | D．was made to |
Most of the professors _____ to our school were from South Africa．
| A．invited | B．to be invited |
| C．being invited | D．had been invited |
The single most important factor ____ contributes to success is _____ you do every single day．
| A．that; that | B．which; what | C．which; what | D．that; what |
You may drop in or just give me a call. __________ will do.
| A．Either | B．Each | C．Neither | D．All |
Both sides have accused __________ of breaking the contract.
| A．another | B．the other | C．neither | D．each |
Of all the books on the desk, __________ is of any use for our study.
| A．nothingILY:; | B．no one | C．neither | D．none |