—That must have been a lot of work.—Yeah, it ________ us three days to finish it.
Many teachers were praised at the meeting, Mr. Zhou _____.
–Did you get your pay? –Yes, I remember _____. But I forget the exact amount.
With lost of trees _____, the house is not easily found.
It is considered no good _____ in the hotel.
This is the problem _____ at the next meeting.