根据句首字母补全单词。

1. Thailand is a beautiful country, many people go s_____there year.

2. It's an e_____vacation. We played very happily.

3. Mike d_____to go fishing next Sunday.

4. I met an American t_____in the Summer Palace yesterday.

5. We're l_____for Beijing next Sunday.

胡 * * 同志在十七大报告中提出，在优化结构、提高效益、降低消耗、保护环境的基础上，实现国民生产总值到2020年比2000年翻两番。( )