With the world changing fast, we have something new _______with all by ourselves every day.
______ around the Water Cube, we were then taken to see the Bird’s Nest.
Recently people have made great progress in using ______ power of nature to produce ______ electricity.
- Would you prefer to watch TV or see a movie? - ______. It’s up to you to decide.
What ______ to so many students coming to the school gate?
Large quantities of water ______and lots of fish died.