Internet is a great tool if we know how to use it ,but it shouldn’t be a replacement for ______life.

With all the exercises needed ______, he went straight home, __________.

 If I find someone who looks like the suspect, my          reaction will be to tell the police.

During the construction of the Qinghai-Tibet Railway, 33 migration overpasses have been made_______for herds of Tibetan antelopes to go through their breeding grounds.

I don’t think she is a nice woman；I’m ______ her empty talk.