根据首字母提示填入一个适当的词，使句子意思完整，语法正确。

1. His grandfather died of h_________ disease last month.

2. Much has been done to help the d__________ people.

3. The trip to the Yellow Mountain is so pleasant that they c________ going there again someday.

4. A__________ to the weather report tomorrow will be sunny.

5. Most children like to eat candy because it t__________ sweet.