单词拼写。

1. Though he spoke with a strong Australian a________, everybody had no difficulty understanding him.

2. The old man was very g________ when he received the money given away by his neighbors after the big

     fire.

3. A t________ job is not what I want; I'd like a permanent one.

4. Eco-travel is a form of travel that c________ normal tourism with learning.

5. Many young people, some of whom are college students, v________ to go to the flooded areas to help 

    without asking for pay.