单项选择题
A．the contradiction between economists and the business community B．the present debate on economic growth C．the advantages and disadvantages of economic growth D．the importance of the debate on economic growth
A．It is good to correct all the errors B．A teacher should write something on the papers to encourage his students C．A teacher’ s handwriting must be tidy and clear D．A teacher had better point out the way for each student to improve his writing
A．was B．being C．is D．are