阿摩線上測驗
19. The air in the countryside is much fresher than ________ in the city.
(A) that
(B) X
(C) what
(D) it
(A) that
(B) X
(C) what
(D) it
答案：登入後查看
統計： A(200), B(37), C(15), D(41), E(0) #3328850
統計： A(200), B(37), C(15), D(41), E(0) #3328850
