阿摩線上測驗
3. Doctors suggest people wear masks when being in a very _____
place where they find it difficult to move around.
(A) crowded
(B) friendly
(C) painful
(D) regular
答案：登入後查看
統計： A(8), B(1), C(1), D(0), E(0) #3195416
統計： A(8), B(1), C(1), D(0), E(0) #3195416
