(2013·新课标Ⅱ卷)Since nobody gave him any help, he have done the research on his own.
People were not allowed to enter the reading room because it _______.
._____ alone in the large house, the little boy had to learn to survive by himself.
Chengdu is a city _______ you hate to say goodbye once you have visited it.
— Did you see a man in black pass by just now?— No, sir. I _______ a newspaper.
My parents don’t care _______ my pocket money goes, but one thing is for sure: the money spent must be worthwhile.