You're ________ your time trying to persuade him;he'll never join us.
A.spending
B.wasting
C.losing
D.missing
网友回答
B解析该题应从trying着手考虑,其搭配应从A和B项中产生,spend time doing sth.是花费时间做某事,waste time doing sth.是浪费时间做某事,再由he'll never join us可知waster time doing sth.最佳。