n. the quality of doing sth. well with no waste of time or money
A. funeral
B. efficiency
C. election
D. equality
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n. a device containing paper, sand, chemicals, etc. that a liquid or gas is passed through in order to remove any materials that are not wanted;
A. feast
B. exhibition
C. fluid
D. filter
v. to invite people to eat or drink with you as your guests, especially in your home; to interest and amuse sb. in order to please them
A. exploit
B. enlarge
C. evaporate
D. entertain
adj. extremely large in size or amount
A. economical
B. elaborate
C. excessive
D. enormous
n. the outside of sth., especially a building; adj. on the outside of sth.; done or happening outdoors
A. excursion
B. election
C. exposure
D. exterior