问题
选择题
There were lots of people standing watching, yet no one of them ________.
A．offered to help
B．offered helping
C．was offered to help
D．was offering help
答案
答案：A
题目分析：考查词组：句意：有很多人站着看，但是没有人主动帮忙。Offer to do sth主动提出做，因为people和offer是主动关系，用主动式，选A。