—What a mistake!

—What a mistake! What a mistake!— Yes.I had suggest his doing it another way, What a mistake (it is) to have refused his invitation. S_____ you made a mistake,what would you do? what's wrong (a It's a mistake.B I have a headache)单选 make mistake 还是make a mistake That's ____you've made a mistake. A.where B.what C.how D.whi You can not imagine what a silly mistake I ____________ A ha mistake a for b just a stuipt mistake I made a mistake make a mistake造句