阿摩線上測驗
25. Some research indicated positive results, _________ other studies did not.
(A) while
(B) so
(C) since
(D) nor
答案：登入後查看
統計： A(298), B(24), C(18), D(40), E(0) #2562321
統計： A(298), B(24), C(18), D(40), E(0) #2562321
