问题补充:
After earthquake, people were homeless.
A. millions of
B. 5 hundred of
C. thousand of
D. ten thousands
答案:
(答案→)A. millions of
B. 5 hundred of
C. thousand of
D. ten thousands
解析:句意:地震之后,成千上万的人无家可归。hundred(百)、thousand(千)、million(百万)前有具体数字时,其后不加s,当它们表示概数时,要加s,并且其后跟of。故选A。