阿摩線上測驗
24. The large laboratory is located__________ the second floor, not
the third floor as stated in the orientation booklet.
(A) to
(B) by
(C) on
(D) within
答案：登入後查看
統計： A(7), B(9), C(82), D(1), E(0) #3105212
統計： A(7), B(9), C(82), D(1), E(0) #3105212
