1. (2016·恩施) 根据句意和首字母提示，用单词的适当形式填空，每空限填一词。

1. （1） The weather was terrible, but the bus they took arrived s at last.
3. （2） W the help of my friend, l won't be able to do the job well.
5. （3） A Chinese scientist called YouyouTu won the Nobel Prize in 2015 and she is the p of all Chinese people.
7. （4） Nobody is a to smoke in the park because there is a sign“ No smoking” here.
9. （5） The t number of the students in our class is 45, twenty girls and twenty-five boys.