2. By the time he was twelve, Edison ____________________________________ (已经开始自己谋生了).

3. ____________________________________ (我已经读完那部小说) by nine o'clock last night.

4. The man, who ____________________________________ (从1977年起在那家工厂工作), retired last month.

5. ____________________________________ (我们本希望你会来看望我们), but you didn't.

6. When I got to the check-out, I realised that ____________________________________ (我把钱包落在家里了).

答案

I. 1. had started 2. went

　3. had quit 4. hadn't rained

　5. had thought 6. had won

　7. had been 8. had intended

II. 1. had been 2. had begun; was

　　3. turned; heard

　　4. ran; had changed; enjoyed; asked

　　5. entered; had lost; looked

　　6. had disappeared; arrived

III. 1. he had learned some English

　　2. had begun to make / making a living by himself

　　3. I had finished reading the novel

　　4. had worked in that factory since 1977

　　5. We had hoped you would come to visit us

　　6. I had left my purse / wallet at home