问题补充:
After the Asian Games, people came to Guangzhou for a visit during holidays.
A. thousand
B. thousands
C. thousand of
D. thousands of
答案:
A. thousand
B. thousands
C. thousand of
(答案→)D. thousands of
解析:英语中数词表示概数时,后面加s,和介词of搭配使用。用原形时表示具体数字和数词搭配使用。句意:在亚运会之后,在假期期间成千上万的人来广州参观。结合语境可知本句中表示概数,故选D。