.In Australia there are over 140 species of snakes, many of ______ are extremely dangerous.
---He has been working hard all the time. ---__________ he got full marks in the last English test.
As we can see, the prices of vegetables _____ according to the season.
Come and see me whenever ____.
From these facts we can _____ a conclusion that no one can prevent us from becoming stronger.
He is such a strong-willed person that there is nothing in the world that can _____ him.