The teacher as well as a number of students____to attend the party yesterday.
| A．were asked | B．was asked | C．were asking | D．was asking |
We have to admit that the biggest___________ facing the ecosystem is limited resources and the worsening environment.
| A．mission | B．challenge | C．scale | D．contribution |
Your task will be to examine the___________ of constructing a new factory in the United Kingdom.
| A．motivation | B．appointment | C．adjustment | D．possibility |
His friends were ___________and encouraged him to publish his ideas, but Copernicus was cautious.
| A．technical | B．official | C．educated | D．enthusiastic |
The opportunities available will depend on your__________work experience and qualifications.
| A．previous | B．instant | C．nationwide | D．temporary |
The consulting room is in a mess; I wonder why the doctor didn’t get everything _______before starting to see his patients.
| A．in place | B．in relief | C．in surprise | D．in detail |