--- How long ____ was this? --- It’s been nearly six years now.

Yesterday I was walking downstairs when I missed my foot and had a bad fall, nothing serious, ______.

Nowadays food safety is a big problem and nobody can guarantee all foods are safe to us, but food produced in the normal companies is ______ better.

As he works in a remote area, he visits his parents only _______ .

Michelle Obama wears clothes that anyone can buy in a mall and ________ she may have a larger effect on consumers than ordinary models.