We all know that we ________ our carbon footprint, but I suspect that many people wouldn’t be prepared to go as far as Joan Pick, a retired scientist living in south London.

How do you improve your spoken English—_______ talking with friends in English.

As I______ the little grass house in the forest, my heart beat more and more quickly.

When did you join the Party–I ___________ the Party for two years.

I don’t think teenagers should drive cars. – ____.They aren’t serious enough.