— Are you pleased with what he has done?
— It couldn’t be ________. He must have put a lot of effort into his work.
| A．any worse | B．any better | C．so bad | D．the best |
Since the new director took office, we have worked __ _hours, －that is to say, we work more freely.
| A．flexible | B．compulsory | C．strict | D．endless |
Her excellent performance in the competition proved that she was a winner.
| A．value | B．worthy | C．worth | D．worthwhile |
This album is _____ as it was the only one ever signed by the President.
| A．unusual | B．unique | C．rare | D．special |
In aerospace devices the weight of the necessary power producing equipment is _____.
| A．vital | B．possible | C．capable | D．reliable |
The patients believe that the doctor knows exactly how to put them _____.
| A．correct | B．perfect | C．right | D．well |
She felt _____ of having asked such a silly question when the audience couldn't help laughing.
| A．guilty | B．crazy | C．miserable | D．ashamed |
It has been decided that this company has the _____ right to print Mr. Smith's novels.
| A．eventual | B．versatile | C．extensive | D．exclusive |
His test results are not very _____. He does well one week and badly the next.
| A．invariable | B．consequent | C．continuous | D．consistent |
With sufficient scientific information a manned trip to Mars should be _____.
| A．obtainable | B．potential | C．considerable | D．feasible |
Your help is _____ for the success of the project.
| A．indispensable | B．indicative |
| C．inevitable | D．inherent |
This is the _____ piano on which the composer created some of his greatest works.
| A．actual | B．genuine | C．real | D．original |
It isn't quite _____ that he will be present at the meeting.
| A．sure | B．right | C．exact | D．certain |
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