题目

You know so much about literature. It's a pity you failed your degree, Harry said, You ______ a good teacher.     A.would have been    B.can have been      C. must be       D. should have been 答案：A 解析: 语法结构题。本句的难点是：failed your degree是过去发生的行为，该句暗含这样一层意义： If you hadn't failed your degree you would have been a good teacher．本句的意思是：“约翰，你的文学知识很丰富，没拿到学位可真遗憾，”哈利说，“你本会成为一个好老师。”点P（2m﹣4，3 ）在第二象限，则m的取值范围是（　　）A. m＞2 B. m＜2 C. m≥﹣2 D. m≤2