---Is the Great Wall a wonderful place?
---Yes, tourists e here for a visit every year.
A. thousand of
B. thousands of
C. thousand
D. thousands
网友回答
A. thousand of
(答案→)B. thousands of
C. thousand
D. thousands
解析：thousand“千”的用法是：如果前面有具体的数字，就不能用复数，也不能加of；如果没有具体数字，就要用复数，并跟of。根据本空的位置可知，故应该用thousands of。所以本题选B。