3. There are much more traffic, noise and pollution in the __________ area than in the rural area.
(A) urgent
(B) urban
(C) unconscious
(D) universal
答案:登入後查看
統計: A(66), B(496), C(35), D(46), E(0) #1780301
統計: A(66), B(496), C(35), D(46), E(0) #1780301