I have much business that has ____ my answering your letter.

I would have told him the answer had it been possible, but I ______ so busy then.A．amB．wer

That young man has made so much noise that he______not have been allowed to attend the con

I think you have permitted your son too much ______ in this matter.A．attitudeB．altitudeC．l

I have to _________ my visit as I’ll be very busy

-Who has done your hair Susan?-_________.A.My hair has been doneB.That hair stylistC.My

I didn see your sister at the meeting. If she _____ she would have met my brother. [ ]A. has come