I was completely A（at a loss) for words, because I felt B（sorrier) C（than) angry D（at) wha

Who was the man at the door？A．Someone from work.B．A friend who needed advice.C．A complete

What was Steve Vaughts purpose of his epic journey at first？A．Touring.B．Weight loss.C．Book

He certainly tried to explain his ideas but I am still at a loss ________ his points.

Upon finding her son missing, the lady was utterly at a loss what to do.A．partiallyB．impar

The driver was at______loss when word came that he was forbidden to drive for speeding.A.a

So little ______ about physics that the lecture was completely beyond me.A.I knew B.did I