Look and Guess眼力大比拼

睜大眼睛，根據(jù)提示，猜猜這4張圖都是什么？

1. It is a public（公共的） place. You can go there to take a train or a bus.

2. They work in the hospital. Most of them are women. They take care of（照顧） sick people.

3. It is a piece of clothing. Girls like wearing it in summer.

4. It’s a piece of thick（厚的） paper. You can write words on it and send greetings（問候）.