If we learn to appreciate _____ is new and different, we will be well-prepared for ____ the future may have in store.
Betty always tells lies,___ her parents find strange.
____ we know now, oceans cover more than 70 percent of the earth.
We must teach her a good lesson ___ she likes it or not.
We don't know ___ to pay a visit to the old town.
The question __ we will hold the sports-meet next Sunday will be decided very soon.