根据句意，用括号内所给单词的适当形式填空。
1. Beijing has a lot of fantastic_____(sight).
2. They have many pets,_____(include) three cats and two dogs.
3. My aunt is considering _____ (return) to Beijing to work.
4. I think Hong Kong is one of the _____ (lively) places in China.
5. I can’t stand noises and heavy traffic in the big city. I want to go somewhere quiet and_____ (relax).
