16.He did not have the __________ to start his own business. 
A. initiative 			B. essential 		C. talent			D. obvious
17.The first-aid instructor       the correct way to bandage a wound. 
	A. plugged			B. constituted 	C. remedied 		D. demonstrated 
18.Millions of people visit websites daily, ________ the cyberspace to communicate. 
	A. make use of		B. convert 		C. purchasing		D. utilizing
19.______ to the best students to come forward, the teacher introduced them to the dean. 
A. Recalling			B. Occasionally 	C. Motioning 	D. Inclining
20.Did he eventually__________ finding a new apartment closer to the campus?
A. try to				B. succeed in 		C. manage to 		D. fail to