TomSandyIt的精选

问题详情：语法填空阅读下面材料，在空白处填入适当的内容（不多于三个单词）或括号内单词的正确形式。Tom:Sandy.Itseemsthatonlyhalfofthestudentspassedthefinalexam.Sandy:Really?Thefinalexammust  1(be)verydifficult...