It _______ them three years to build this road.
--- The patient looks much better. _____is it that has made him _____he is today?--- Perhaps the special medicine and his family’s patient care.
It was not what he said but the way he said it ______ made a great difference to me at last..
—Why is it ________ so many people enjoy eating on the run?—Of course, the most obvious answer is that fast food is fast.
— Why did the dinner party start so late last night?— It was _____ that caused him to serve dinner an hour later than usual.
---I can’t find Mr. Brown. Where did you meet him this morning?---It was in the hotel _______he stayed. A that B which C where D when