问题补充:
Several students came to the meeting.
A. thousand
B. thousands
C. thousand of
D. thousands of
答案:
(答案→)A. thousand
B. thousands
C. thousand of
D. thousands of
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several可知,故应该用thousand。所以本题选A。