Bats are surprisingly longlived creatures, some______ a life span of around 20 years.
15. ____ ! There is a train coming.
14. Believe it or not, it ____ to me that you are all mistaken about such data.
13. Don’t worry! I'll _____ his safety.
12. The teacher didn't _____ to my questions which were not too difficult for me to think over.
11. It is _____ that there will be another grand celebration on October 1, 2003 in our city.