It’s a pity that you missed the lecture on nuclear pollution. — I _________ it, but I was busy preparing for a job interview.

I ______ go to bed______ my mother came back home.

Wind is now the world’s fastest growing ________ of power.

You won the first prize in the last Physics competition once again.—__ _. I made several mistakes.

________ you do more reading practice, I’m sure your English will be greatly improved.