It was some time ________ we realized that we lost the chance forever

People in Jingjiang ______ walk or ride bikes, but now they ______ taking the bus or driving cars.

It is only _______ your heart is really in it _______ you can play your best.

Can you explain ________ the sun goes down in thewest

Have you apologized _____him _____breaking his MP5—Yes. I did yesterday.