阿摩線上測驗
18. The air is much fresher in the country than __________ in the city.
(A) that
(B) those
(C) which
(D) it
答案：登入後查看
統計： A(52), B(22), C(15), D(5), E(0) #3105206
統計： A(52), B(22), C(15), D(5), E(0) #3105206
