单项选择题
A. no longer in use B. profound C. colorful or amusing D. common
A.more than half a million B.at least 24 000 C.at least 80 000 D.more than a million
A.making a list of words you need and looking up the new ones in a dictionary B.spending half an hour studying the dictionary C.consciously using the words you recognize in reading D.trying to use the words you recognize