---We spent all our money because we stayed at the most expensive hotel in town. ---Why didn’t you stay at ______one?
—How long has Mr. Smith lived __________ Fuzhou? —He’s lived here __________ 2006. A. at; by B. in; for C. in; since
My CD doesn't work well. I'll go and _______this evening.
This river is too wide for the swimmers _________.
He gave me two answers_________the question,but________of them is right.
He was going to put some signs old books.