第13题: [单项选择]You ______ him that the day before. A. ought not to have told B. must not have told C. should not tell D. ought not to tell 参考答案:A 答案解析:本题为语法结构题。表示“本不应该做某事”,通常用 should not have done sth 或 ought not to have done sth。本句大意为:你本不应该前一天告诉他的。
第14题: [单项选择]发作性呼气性呼吸困难伴哮鸣音常见于() A. 支气管哮喘 B. 慢性支气管炎 C. 大叶性肺炎 D. 大量胸腔积液 E. 重症肺结核 参考答案:A