II. Look at the pictures of 2b and answer the questions.
看 2b 的图片，回答下列问题。
1. What's the question that the driver asks?
2. Why is the man with glasses unhappy?

II. 1. He asks where to park his car.
2. Because the man in suit asks impolitely.

III. Read 2b and answer the questions. And retell 2b according to the answers.
阅读 2b，回答下面问题，然后根据答语复述 2b。
1. Is it important to know how to ask for help politely?

2. What do we need to learn when we ask for help?

3. What should we do when talking with different people in different situations?

4. What might the expressions they use depend on?

5. Are the polite questions longer or shorter?

6. What might you first say with a stranger before asking for help?

7. Why is it important to learn how to use the right language in different situations?

III. 1. Yes, it is.
2. We need to learn how to ask a question correctly and how to be polite.
3. We should change the way we talk.
4. They might depend on whom they are speaking to or how well they know each other.
5. They’re longer.
6. We might say, “Excuse me, I wonder if you can help me.” or “I’m sorry to trouble you, but...”
7. Because this will help us communicate better with other people.

IV. Key structures.
A)Underline the object clauses in the passage.
画出课文中出现的宾语从句，注意关联词。
B)Fill in the blanks to complete the following sentences. Don't refer to the passage until you finish your exercise.
填空，完成下列句子，完成练习后再对照课文，核对答案。
1. Could you please tell me the restrooms are?
2. The expressions they use might depend on they are speaking to or well they know each other.
3. Do you know the school trip is?
4. Excuse me, I wonder you can help me.

IV. 1. where 2. whom, how 3. when 4. if/whether