阿摩線上測驗
19. If you want to pull out the __________ of the old tree, you need to dig deeper into the ground.
(A) seeds
(B) roots
(C) fruits
(D) flowers
答案：登入後查看
統計： A(49), B(173), C(13), D(19), E(0) #3149096
統計： A(49), B(173), C(13), D(19), E(0) #3149096
