20．（1分）I should not have laughed if I you were serious．（ ）
参考答案
C
2013年高考英语真题及答案解析
2013 年高考英语真题 2 道，覆盖 1 套试卷，含答案解析、考点和解题方法，适合老师备课、讲评和组卷。
21．（1分）Shortly after suffering from a massive earthquake and to ruins，the city took on a
new look．（ ）
参考答案
C