Alone in a deserted house, he was so busy with his research work that he felt ___but lonely.
It ____ Mike and Mary who helped the old man several days ago.
____ is no difference between A and B.A. It B. Where C. There D. What
Was it in the place ____ the last emperor died?
It was simply for that reason ____ I wouldn’t tell him the truth.
It’s the third time ____ I have been here.