17.　　 The little girl plays piano ____________. (wonder)

16.　　 Mary is the __________ of three sisters. (old)

15.　　 Computers can work out problems far _______________ than human beings. (quick)

14.　　 Every morning my grandpa spends half an hour ___________ the flowers. (water)

13.　　 What is the __________ of the parcel? (post)

12.　　 Did you enjoy ___________at yesterday's party? (you)

11.　　 " Don't play football in the street." The policeman shouted at the children _________. (angry)

10.　　 Computers are becoming more and more________ in our life.( use)

9.　 December is the_________ month of a year. (twelve)

8.　 Our life today is much _________than before. (good)