Question

Every year, _____people go to visit their factory
A. a thousand of   B thousands  C. thousand of    D. thousands of

Answer 1

D

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。