1、You're _______ your time trying to persuade him; he'll never join us.

　　A.spending　　B.wasting　　C.losing　　D.missing

　　2、—What did you think of her speech?

　　—She _______ for one hour but didn't _______ much.

　　A.spoke; speak　　B.spoke; say　　C.said; speak　　D.said; say

　　3、All the rooms are _______ with electric lights.

　　A.supplied　　B.given　　C.offered　　D.burnt

　参考答案&解析：

　　1、B　waste time doing浪费时间干某事；spend time doing花费时间干某事。所提供的情境he'll never join us说明劝说他们参加是浪费时间。你不要浪费时间试图说服他了，他决不会加入到我们这一边。

　　2、B　speak作及物动词时，后接某种语言；作不及物动词时，意思是"说,发言,演说"。speak to sb.对某人说;say是及物动词,"说得多"要用say much。

　　3、A　be supplied with 安装.所有的房间都安装了电灯.be given 被给与; be offered提供,但它不和with 连用;be burnt被燃烧。