根据所给的汉语提示，转换下列句型

1. Does Mr Brown enjoy living in China? Could you tell us? (合并为一句)

    Could you tell us ______ Mr Brown _    ___ living in China?

2. "Where does Lucy live?" he asked me. (改为复合句)

    He asked me ______ Lucy______.

3. Jim is a student.  Tom is a student, too. (合并为一句)

        __     Jim              Tom are students.

4. When does the train leave? I want to know. (改为含宾语从句的复合句)

    I want to know ______ the train ______.

5. They went home after they had finished their homework. (改为同义句)

    They ______ go home ____     they had finished their homework.