My English teacher’s humor was ________make every student burst into laughter.

In college, you will discover ______ learning is about, from teacher-taught to self-learner．

____ from endless homework on weekends, the students now find their own activities, such as taking a ride together to watch the sunrise

Those brave rescuer team members managed to save many people’ lives the risk of their own lives

Go and get your coat. It’s 　　you left it.