19.The air in the countryside is much fresher than ____ in the city.
(A) ×
(B) that
(C) what
(D) it
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料
19.The air in the countryside is much fresher than ____ in the city.
(A) ×
(B) that
(C) what
(D) it