根据句意及首字母提示补全单词。
1. I'm going to Hawaii for v______ , and I'll stay there for two weeks.
2. There are a lot of t______ in Thailand every year.
3. when you v______ London, one of the first things you will possibly see is the Big Ben.
4. I will be b______ to school next Friday.
5. He is not watching TV. He is r______ videos now.