1. 根据所给的句子，填入一个适当的单词，使句意完整。
（1）The ________ Festival and National Day fall on the same day in 2020.
（2）Mount Hua is well known. Thousands of visitors come to ________ its beautiful scenery every year.
（3）Enough sleep can make our ________ work better and think clearly.
（4）The driver ________ his carelessness in driving and went to the hospital to say sorry to his passengers.
（5）What can we do to prevent the novel coronavirus（新冠病毒）from ________?
