14.The nunther of the students who took part in the competition____500,but only a small number of them chosen。A was;were B were;was C.were;were D.w;was
---Have you _____ completing the work given by your boss? ---Not yet, though I have tried to.
China is a country ____the Third World, _____ means her economy still needs developing very much.
-- Can I have a day off tomorrow, Mr. Adam? --- ________. We can manage without you.
We should analyze the work ______ instead of concentrating only on some single parts.
The Car Club couldn’t ______ to meet the demands of all its members.