第10题: [单项选择]As early as 1637 Ohio made a decision that free, tax supported schools must be established in every town ______ 40 households or more. A. having B. to have C. to have had D. having had 参考答案:A 答案解析:[解析] 根据句子结构，空格后的部分是修饰every town，作定语讲，应选择分词having。
第14题: [单项选择]This is the first job ______ I've got since I graduated. A. which B. by which C. that D. as 参考答案:C 答案解析:[解析] 定语从句的先行词被序数词first，second，last 等修饰时，关系代词用that而不用which。例如：Tom was the first boy that joined the a
