根据句意及首字母提示写出所缺单词。
1. - Hi, Betty. What are you _____ to?
  - I'm looking for my new watch.
2. The s _____ is dangerous to swimmers.
3. I saw the animals in Australia, such as kangaroos and c_____. 
4. The car stopped a _____ the road.
5. He told us the accident in d_____ .