根据句意及首字母提示补全单词。
1. As we know, tigers f_______ on meat.
2. SARS spreads easily a_______ people. We should take care of ourselves.
3. My father took an active part in the battle a_______ SARS in 2003.
4. Tom is a great inventor. He i_______ many useful things.
5. You'll have to h_______ if you want to catch that train.
