阿摩線上測驗
21. The latest guidance from the Centers for Disease Control and Prevention (CDC) says _____ is one of the most
effective ways to prevent the spread of diseases and infections.
(A) you wash your hands
(B) by washing your hands
(C) washing your hands
(D) remember washing your hands
答案：登入後查看
統計： A(32), B(49), C(293), D(62), E(0) #2984165
統計： A(32), B(49), C(293), D(62), E(0) #2984165
