Hello, all the students! The winter holiday is coming. But the flu(流感) brings us a lot of troubles. In order to , you must do something. Here are some suggestions for your holiday. Firstly, you will stay at home. Secondly, when you go out, a mask. Thirdly, when you come back home, . Fourthly, eat more fruit and vegetables. Fifthly, every day. Finally, cover your mouth or nose when you cough or sneeze. I hope will be healthy.