39. To _____ for a free voucher and to enter the prize draw, please make sure that your completed form reaches our agency by July the 31st.
(A) certify
(B) nullify
(C) rectify
(D) pacify
(E) qualify

答案:登入後查看
統計: A(4), B(0), C(1), D(0), E(9) #2055841