题目内容
Every year, _____ people go to visit their factory
A. a thousand of B thousands C. thousand of D. thousands of
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。
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