After a thorough search, the rescue team...

___ the phenomenon of "bystander effect" in the Yueyue event, most Chinese Strongly believe that there still exist love and warmth in people's hearts．

I listened carefully to his long boring speech, but could not ___ what he was talking about．

"___ Libya's oil production returns to normal, I guess, it will be fifteen months," said a UN expert．

Knowledge from real life isn't easier to forget than ___ achieved from textbooks．

The police have ____ power to deal with such matters by ____ law．