1、 Every year, _____ people go to visit their factory
A. a thousand of B thousands C. thousand of D. thousands of
答案D
【解析】 考查数词。数词hundred, thousand, million等后面跟of 时，要变复数。排除C。thousand前接具体数字时，后面不能跟of，排除A。thousands后要加of，排除B。
2、 Tom has just finished writing a _________ article.
A. nine-hundred-words B. nine-hundreds-word
C. nine-hundred-word D. nine-hundreds-words
答案：C
【解析】考查复合形容词。带连词符的名词不加s。故选C。
