John did quite well in his exams , how little he studied .
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.