Ⅰ. 根据句意及首字母提示完成单词(5分)
1. China is a great c______ with a long history.
2. The weather is very h______ in summer in Wuhan.
3. I’m v______ my grandparents in Tianjin.
4. When it’s w______ in Australia,it’s summer in China.
5. I find that English is a little h______ to learn. It’s not easy.