新概念英语第二册 Lesson86 讲义+练习（教师版+学生版）

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• 资料版本：新概念英语
• 适用地区：全国
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资料简介

Lesson 86 Homework
用括号里动词的适当形式填空。
1. When we got to the airport, Frank had been waiting (wait) for half and an hour.
2. By the end of last week Sam had been learning (learn) English for half and an hour.
3. The postman said he had been delivering (deliver) letters in this street for five years.
4....