在教材P160-162有5篇补全对话练习，答案的解析主要是通过上下文的语意关系，在此用这五篇作为范例给大家解析除上下文的语意关系以外其它的解题方法和技巧。主要有以下几种：
1．标点符号排除法
2．句子语法结构排除法（整句还是断句）
3．上下文的逻辑关系排除法
根据对话的特点灵活应用各种解题方法和技巧，多种方法相互应证，确保选择的准确性。
七、课外练习一）单句练习
A. I was held up by the traffic jam. B. That's a good price.
C. I think so. D. If you run，you might catch it.
E. Thank you very much. F. Nobody like this.
G. Yes， he will. H. I do some running every morning.
1. Hoe： What do you do for exercise？
David： .
2.Wang： Excuse me， can you tell me when the next bus leaves for the airport？
Woman： It'll leave in 3 minutes. .
3. Boss： Where have you been？ It's eight o' clock now.
Rose： I'm sorry. .
4. Jane： Mary bought this dress for 5 dollars， saving 4 dollars.
Amber： .
5. Jack： Do you think Bob will get here on time？
Tom： .
A. yes，of course. B. I'm sorry，but he is not in.
C. Here you are. D. No. It began after I got there.
E. OK，fine. F. Have you?
G. Yes，I've already done that. H. Yes. I will. Thank you.
6. Tom： Would you mind passing me the salt?
Tony：_________________.
7. Amy： Do you think you could show me the way to the library?
Ronald：_________________.
8. Peter： Did you miss the beginning of the concert yesterday?
Andrew：___________________.
9. Simon： Could I see Dr. Brown， please?
Gary：____________________.
10. John： I'd like to book five tickets， please， for the early morning flight to Paris on June 10th.
Jane： Five tickets.________________.
B.段落对话练习
Keys:
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