The teachers _________ the office for a few minutes when we arrived.

 --Driving less, walking more is good for our health. --So I’d rather_____ an hour’s walk to work than consider ______ a car. 

--- I have bought a Chinese – English dictionary? ---  When and where_____ you _____ it?

We have _________ some organizations to help the poor students in the western areas of China.

Lily is ready ________ people any time, she always gives her seat to someone in need.