107. The Curies are best known for ____ radium and they won the Nobel Prize in 1903.
—How about your journey to Mount Emei?—Everything was wonderful except that our car _________ twice on the way.
—Do you mind my opening the window? It’s a bit hot in here. — , as a matter of fact.
The traffic is heavy these days, I arrive a bit late, so could you save me a place?
For a moment nothing happened. Then all shouting together.
Some people fear that ________ air pollution may bring about changes in _______ weather around the world.