21. What _____ pity that you couldn’t be there to receive _____ prize!

A. a; a     B. the; a     C a; the     D. the; the

22. It’s high time you had your hair cut; It’s getting _____.

A. too much long     B. much too long     C. long too much     D. too long much

23. I like this house with a beautiful garden in front, but I don’t have enough money to buy _____.

A. one     B. it     C. this     D. that