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
网友回答
(答案→)A. would have been
B. can have been
C. must be
D. should have been
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。”