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课时训练37 数词与主谓一致 一、用所给动词的适当形式填空________ (tell) us something about volunteer workers now. 答案 is telling解析 句子主语为“英语老师兼班主任”为一个人故后面的谓语动词要用第三人称单数now可知用现在进行时。________ (be) still unknown. 答案 is解析 主语为主语从句虽由and连接但却指的是同一件事故谓语动词用单数形式且表示被动故填is。________ (try), but none proved successful. 答案 has been tried解析 means的单复数同形从every可知这里是单数因此谓语动词也用单数而且根据句意可知是“每个办法都被尝试过了”故用被动语态。4．Weibo as well as WeChat ________ (serve) as a media platform for people to share their thoughts instantly without limits of place or time. 答案 serves解析 句意：微博和微信可以作为一个供人们随时随地分享他们想法的媒体平台。serve as表示“可用作可当……使”。由as well as可知该句的谓语应由Weibo而定故应用第三人称单数形式serves。 Here is a message on my cellphone，telling me that I have won the first prize of a weekend for two in Paris. —Delete it! It's a trick. Many a person ________ (cheat) by such tricks. 答案 has been cheated解析 句意：——嘿我手机上有一条短信告诉我我已获得巴黎周末双人游的大奖。——删掉吧。many a＋单数名词”做主语谓语动词用单数形式根据句意可知许多人已经被骗过故用现在完成时的被动语态。________ (be) wasted every year in China，and that one third is available to be saved. | 
