问题

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

正确答案是：

同类题型

Congratulations ! Let’s cheer for the 17-year-old boy Han Tianyu. He did very well at the Sochi Winter Olympics.—We all felt __________him.

Many of them turn a deaf ear to his advice, _____ they knew it to be valuable

romised to develop a software package by the endof this year, ________ they might have.

Our class is________ 60 students while theirs________ 65 students.

下列各句中与其他三项句式不相同的一句是（）