--- You may refuse my invitation , but you must explain why . --- Oh, I must , ?A. did I

发布时间：2020-08-16 12:31:36


--- You may refuse my invitation , but you must explain why .
--- Oh, I must ,      ?
A. did I
B. didn’t I
C. must I
D. mustn’t I

网友回答

A. did I
B. didn’t I
(答案→)C. must I
D. mustn’t I
解析：本题中用I must构成的一般疑问句以示强调，情态动词must直接提到句首即可，故本题选C。
以上问题属网友观点，不代表本站立场，仅供参考！