语法填空:Linda make sure the tables_____(set) before the guests arrive. 句子中为什么填are set,不可以填set(非谓语)?为什么make sure+从句不可用非谓语,而make sure of+sth才可用非谓语?e答:看到你这个书写句子,别人要问的第一个问题是:Linda为第三人称单数,谓语动词make 为什么不加S?其实,你在Linda后面漏了个逗号,不要小看标点符号的作用!原题句为:Linda, make sure (that) the tables _are set_ before the guests arrive.其中这个Linda,是呼语。Make ...