(C.) How can you avoid getting sick? Here are some simple ways to do. First, wash your hands often. That helps kill germs. When you sneeze or cough, cover your nose and mouth with a tissue. Then throw the tissue away. If you don’t have a tissue, sneeze or cough into your elbow. Then you won’t get germs on your hand. And when you are sick, stay home, take a good rest, and drink hot tea. After all, you don’t want to make others sick.
【題組】10. What is useful to avoid getting sick?
(A) Drink cold water.
(B) Stay at school all day.　
(C) Cover your elbow.
(D) Wash hands as often as possible.