21.　 I found his ____________pen under the table. (lose)

20.　 Now more and more ___________ are coming to visit China from other countries.(visit)

19.　 When he was only 3 years old, he started hard ______________ with his father. (train)

18.　 Who was the ___________ of the high jump? (win)

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)