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
詳解 (共 2 筆)
未解鎖
本题考的是句型結構,按照句構,空格處應填...
未解鎖
選項解釋正確性(A) you wash ...