What else do you think we should pay attention _________ our environment—- Sorry, I’ve no idea.

Do you know when the London 2012 Olympic Games willstart–It will start ________ July 27th, 2012.You can visit London that summer.

What’s the traditional food for the Spring Festival in your home town ——__________ and jiaozi.

He spared no efforts to make himself _______ but failed.

many times, my elderly mother still can’tremember how to light the gas.