阿摩線上測驗
19. The man walked alone on the street, _____ about his deceased wife.
(A) think
(B) thought
(C) thinking
(D) and thinking
答案：登入後查看
統計： A(1), B(20), C(159), D(17), E(0) #3235435
統計： A(1), B(20), C(159), D(17), E(0) #3235435
