句型转换。

1. 她们计划去欧洲旅行。

    They are _______ _______ visit Europe.

    They make a _______ _______ Europe.

2. I finished my homework yesterday. (改为同义句)

    I finished _______ _______ _______yesterday.

3. He is leaving Changchun.  He decided to go Canada.  (合并成一句)

    He is _______ Changchun _______ Canada.

4. He decided on the work. (改为同义句)

    He decided _______ _______ the work.