Koalas come from __________. They are verycute.

What is the best way you can imagine _____the overuse of water in our school? [ ]

In the worst-affected regions, many areas remain in chaos(混乱), with roads inaccessible, public transportation at a total stop and power and telecommunication networks completely ______

ng of all the projects they havecompleted in recent years, we think this is probably the_______ one

Not only ______ strict with us, but also ______ for us .