阿摩線上測驗
34. When is the Speedster 3000 recommended for use?
(A) While hiking in the mountains
(B) While taking a subway train
(C) While exercising at a gym
(D) While traveling to work
答案：登入後查看
統計： A(12), B(14), C(11), D(77), E(0) #3315128
統計： A(12), B(14), C(11), D(77), E(0) #3315128
