All the oil in the world will have __________ some day. —Yeah. What shall we use for power at that time?

Work means much to me. It is ______ of my life ______ air, water and sunlight.

Huang Bo is a popular film star. He brings us good films.

It’s popular to use QQ to _________ with each other on the Internet now.

I get ______information for my lessons on the Internet .