1. Two___________ died of cold last winter.
A. hundreds old peoples
B. hundred old people
C. hundreds old people
D. hundred old peoples
答：B。hundred，thousand，million，score，dozen与数词连用或与many，several等词连用时，不用复数形式。people指人们，本身是具有复数意义的词，但若指不同国家、不同民族的人时，可用复数。如：We should deepen the friendship between the peoples of the two countries.我们应该加深两国人民之间的友谊。
2. The hero of the story is an artist in his_______.
A. thirtieth B. thirty
C. thirty’s D. thirties
答：D。inone’s twenties (thirties, forties)在某人二(三、四……)十几岁的时候。in one’s teens 在某人十三至十九年龄段的时候。
