The number of sharks has fallen greatly in the past three years, so measures must be taken to oppose sharks illegally.
Thank you for the trouble me with the work.
His name was on the _____ of my tongue, but I just couldn't recall it.
Though he did not say so directly, the inspector _____ the man was guilty.
Mr Smith, of the speech, started to read a novel.
All of us still remember the terrible earthquake that Tangshan twenty years ago.