It’s___(reasonable)to expect people to work more than 60 hours a week.
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If you have difficulty locating a particular book,please ask our librarians for___(assist).
The rediscovery of this species of birds is one of the most___(ordinary)scientific findings in recent years.
This advertisement is a___(type)example of their marketing strategy.
If you have the right___(equip),you won’t find the job difficult.