Amazing it is, an astronaut’s superior position is filled with potential danger.
—Do you know the headmaster well?—Not really, just a nodding ______.
She hung up the receiver. This means she______.
—Have you heard of the terrorist attack at Tian’anmen Square in which 5 people were killed and 40 injured?—Yes, ______ news came as ______ great shock to me.
—Are there any English story-books for us students in the library?—There are only a few, _______________.
Recently we held a discussion about what we shall use for power when all the oil in the world has _________?