一、听录音，根据所听对话选择正确的答案。
（）1. What did Grandpa use to write to his friends?
A. Letters. B. Emails. C. Text messages.
（）2. How did Grandma travel in the past?
A. By high-speed train. B. By bus. C. By car.
（）3. Where did Mum work in the past?
A. At home. B. In an office. C. In a shop.
（）4. How does Dad pay for things now?
A. In cash. B. By credit card. C. By his smartphone.
（）5. Why did the robot help Dad?
A. He lost his phone. B. He almost fell. C. He missed the train.

1. A 2. B 3. B 4. C 5. B

二、根据首字母提示完成句子。
1. In the past, people wrote l to their friends. Now they chat on the internet.
2. H trains travel very fast. They help people save time.
3. My mother sometimes works from home and has o meetings.
4. Twenty years ago, my father paid in c. Now he uses his smartphone.
5. Don't worry. The r can help you fix the problem.

1. letters 2. High-speed 3. online 4. cash 5. robot

三、用所给词的适当形式填空。
1. In the past, Wang Bing's grandpa (write) letters. Now he (chat) online.
2. Grandma (spend) a lot of time on the road then. Now she (take) high-speed trains.
3. Wang Bing's mum (work) in the office in the past. Now she sometimes (work) from home.
4. Twenty years ago, Dad (go) to shops. Now he (shop) online.
5. Last week, the robot (help) Dad. "(not worry)," it said.

1. wrote; chats 2. spent; takes 3. worked; works 4. went; shops 5. helped; Don't worry

()1. Many people use smartphones to pay for things now. They don't need to carry .

A.cash
B.letters
C.trains

1. A

()2. — did Grandma travel in the past? —By bus. It took a long time.

A.What
B.How
C.Where

2. B