---Jackie Chan donated dollars to charity..
---He is an example to us all.
A. thousand
B. thousands
C. thousand of
D. thousands of
网友回答
A. thousand
B. thousands
C. thousand of
(答案→)D. thousands of
解析：thousand 表示千的时候，后不接s，接s的情况后接of，即thousands of 表示成千上万的，故选D