阿摩線上測驗
12 Volcanoes are mountains that sometimes spurt out burning ash, gas, and hot ____ .
(A) saliva
(B) lama
(C) yak
(D) lava
答案：登入後查看
統計： A(13), B(15), C(12), D(101), E(0) #3255653
統計： A(13), B(15), C(12), D(101), E(0) #3255653
