Question 10:         A. informal            B. supportive         C. personnel          D. apparent

Question 9:           A. canal                  B. limit                   C. mammal            D. elbow

Question 8:           A. available            B. kindergarten      C. attractiveness    D. contractual

Question 7:           A. industry             B. sacrifice             C. ancestor             D. determine

Question 6:           A. politician           B. genetics             C. artificial            D. controversial

Question 5:           A. rapidly               B. comfortably       C. fluently             D. necessarily

Question 4:           A. accomplish        B. embarrass          C. interpret            D. volunteer

Question 3:           A. commerce         B. reserve               C. burden               D. comment

Question 2:           A. disappear           B. arrangement      C. opponent           D. contractual

Question 1:           A. familiar             B. impatient           C. uncertain           D. arrogant