1. The boat was hit by heavy waves, and only 33 out of the 250 people on it _______ (幸存).
2. We _______ (挑选) him to take part in an activity.
3. This play is _______ (设计) as an educational course for children.
4. He usually _______ (喜欢) swimming in that river in summer.
5. They have been _______ (装饰) the Christmas tree a whole day.
