國中英語基測出現過 clean 的考題。

Look at the poster and answer the questions.

poster 海報
volunteer 義工
information 資訊
1.
Why does the poster ask people to wear shoes?
To stay clean.
To be polite.
To stay warm.
To be safe.
2.
What do you think the bags are used for?
Collecting lunch.
Collecting fish.
Collecting garbage.
Collecting gloves.