With more forests being destroyed, huge quantities of good earth_______ each year.
Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
______ professional violinsit practises for several hours a day, but ______ violinist has his own way of playing the Beethoven concert.
One more month,________these baby birds will fly out of their nest.
--What do you think of the furniture on exhibition? --Well, great! But I don’t think much of _______ you bought.
Mr Cooper wanted to buy the house and he told me that ______ the house cost, it would be ______ it.