问题
选择题
—Must I let my mother know it?
—________.You can keep it as a secret.
A. Yes, you must B. No, you mustn’t C. No, you needn’t
答案
答案:C
题目分析: Must I…?肯定回答Yes, you must,否定回答No, you needn’t。根据句意:我必须让妈妈知道吗?-----,你可以把它当作一个秘密,故选C。