题型： 单项选择题 难度： 一般
    It was ______ the president"s speech that the secretary spent the whole morning at home.

A．to prepare

B．preparing

C．prepared

D．be prepared

    答案
    B
    解析
    本题考查非谓语动词。去掉It was…that后剩下的部分为______ the president"s speech the secretary spent the whole morning at home，调整结构后是the secretary spent the whole morning at home ______ the president"s speech。结合选项可知句意是：秘书花了整个早上在家为总统准备演讲。由此判断考查的是spend time （in）doing sth句型。