In a(n) _____ to help preserve history, the Greek government established a committee to undertake the professional restoration of the Acropolis.

 His new appointment takes _____ from the beginning of next month.

There are a number of words in the English language that were French in ______. 

It can not be a(n) ___that four jewellery stores were robbed in one night.

The members of the club wouldn't run a _____ in entrusting（委托） the organization to an unreliable person.