I. Words
1. freeze v.（使）冷冻 frozen adj. 冷冻的
freeze the fish 使鱼冷冻 frozen fish 冷冻的鱼
2. hear from sb （通常指通过信件）得到某人的消息
I heard from him last week. 上星期我接到他的信。
II. Language Structure
特殊疑问句
1) 对句子主语部分提问：疑问词＋陈述句语序
A: Who is going to help us? B: Mary is going to help us.
对宾语提问：疑问词＋一般疑问句
A: Who do you need to interview for your project?
B: I need to interview someone at a frozen fish factory.
