阿摩線上測驗
3. Decades ago, in vitro fertilization was a _____ technology but now it’s an ordinary type of
treatment for infertility issues.
(A) cutting-board
(B) cutting-edge
(C) cutting-down
(D) cutting-up
答案：登入後查看
統計： A(17), B(326), C(19), D(9), E(0) #2914583
統計： A(17), B(326), C(19), D(9), E(0) #2914583
