___ most of the earth’s surface is covered by water, fresh water is very rare and precious

Dad, must we wait for the green light — Yes, I’m afraid we ________. That’s the traffic rule (规则).

No one can be successful ______ hard work.

The Group of Eight(G8)____ the eight richest countries in the world.[ ]

Your neighbour may you with playing your radio too loudly at night.—I know. They never say anything that me especially.