We first met on a train in 2000. We both felt immediately that we _________ each other for years. 

(2013·皖南八校第三次联考)A recent survey shows the number of people who shop in stores________，while far more are shopping online.

It’s high time that we _____ measures to stop selling polluted vegetables. 

Food supplies in the flood-stricken area          . We must act immediately before there’s left.

 ---How bright the sun is!  ---You’d better wear your dark glasses to_____ your eyes from it.