--I borrowed 10 dollars from Cathy, but she insisted that I had borrowed 15 dollars from her. --I _____ you the money.Why didn't you ask me?
Mr Smith has two______ , both of whom are teachers in a school.
——How many ______does a cow have? ——Four.
Somevisited our school last Wednesday.
The______of the building are covered with lots of .
When the farmer returned home he found three_______missing.