—Why did you leave without a word of warning to John?
—But what _____ otherwise? He never listens to me.

—Why did you leave without a word of warning to John?

—But what _____ otherwise? He never listens to me.

A．could I have done                       B．would I do

C．must I have done                        D．should I do

—Why did you leave without a word of warning to John?

—But what           otherwise? He never listens to me.

    A．could I have done                    B．would I do

    C．must I have done                 D．should I do

—Why did you leave without a word of warning to John?
—But what _____ otherwise? He never listens to me.

1. A.
   could I have done
2. B.
   would I do
3. C.
   must I have done
4. D.
   should I do

 ——Why did you leave without a word of warning to John?

   ——But what_____________otherwise? He never listens to me.

       A.could I do   B.could I have done       C.must 1 have done       D.should I do

—Why did you leave without a word of warning to John?

—But what           otherwise? He never listens to me.

    A．could I have done        B．would I do

    C．must I have done     D．should I do

---Why did you leave without a word of warning to John?

---But what ____otherwise? He never likes to listen to me．

A．could I have done                                B．must I have done

C．could I do                                          D．should I do

——Why did you leave without a word of warning to John?
——But what_____________otherwise? He never listens to me.