Preparing the final test paper _______ his whole afternoon.
| A．takes up | B．takes off | C．takes on | D．takes over |
With his attention _________ on his book, he didn’t notice someone entering his room.
| A．concentrating | B．concentrated | C．to concentrate | D．concentrates |
They have earned lots of money, so I______ believe that the business is a success.
| A．mildly | B．firmly | C．actively | D．tightly |
Sales director is a position_______ communication ability is just as important as sales.
| A．which | B．that | C．when | D．where |
The statistical figures in that report are not_______. You should not refer to them.
| A．delicate | B．accurate | C．ridiculous | D．urgent |
As nobody here knows what is wrong with the machine, we must send for an engineer to _______ the problem.
| A．handle | B．raise | C．face | D．present |