Is Ms．Black a good teacher –I think so．She is ________ us．

Everyone was surprised at the photos ______ were taken by Mr. Thomas in the deep sea.

Had I known the party was so boring, I wouldn’t have comeI ________ anything

Never before ________ seen anybody who can play tennis as well as Robert.(2012·江西)

With our knowledge ________ practice, we can make contributions to our society[ ]