根据句意和首字母提示，补全下列单词。

1. It takes me 50 m        to finish my homework every day.

2. We really e          our school trip. It was interesting and relaxing.

3. My sister studied for her science t          last night.

4. This kind of food is d          . Many people like to eat it.

5. Go to w         your hands. They are very dirty.