----______number of cars on the roads is growing too fast.----I agree with you. ______ number of problems have appeared already.
The blue hat is 10 yuan, and the black hat is ______ 10 yuan.
We have sweaters ______ all colors _____ $ 5 each.
We sell our clothes _______ very good price.
-----How much are the shoes? ------ ________ 100 dollars.
The trousers ____ nice, I’ll take______.