16.You must accustom yourself to being more _____________ when you are with people. 
A. on your own initiative					B. at your ease	
C. in harmony with 						D. regarded as
17.It’s the money that ________ these fishermen to risk a long ocean journey. 
A. spurs			B. makes				C. lets				D. prevents
18.The quiet thoughtful person sitting in the back of the room shared some interesting  ________ during the discussion. 
A. significance		B. clue				C. action 			D. observations
19.A good meal usually __________ several tasty dishes, not just a sandwich. 
A. consists of		B. makes of			C. are made from 		D. is consisted of
20.She ___________ an old friend unexpectedly in the theatre.
A. replaced		B. upset 				C. inclined			D. encountered