问题补充:
When he was at college, he and his friends to organize a party.
A. are asking
B. were asked
C. was asked
D. asks
答案:
A. are asking
(答案→)B. were asked
C. was asked
D. asks
解析:根据前面的时态可知,本句应该是过去时,故排除AD;根据he and his friends可知,应该用were,故排除C。“Be +过去分词”是被动语态的结构。所以本题选B。