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

The population of the world in 20 century became very much _____than that in 19 century.

t our way in that small village, otherwise we___ more places of interest yesterday

What do you often do_______classes to relax yourselves—We often do eye exercises, listen to music or do some running around the school.

Tom was about to close the window__________his attention was eaught by a bird