266. At first he did not realize that he had succeeded in making a computer that ran on solar power(太阳能). “Realize” in the sentence means “___________”
For most westerners, their 18th birthday _______the end of one part of their life and the beginning of another.
We all know that, __________, the situation will get worse.
Although it is not our normal ___to give credit in our shop, this time I think we should consider the matter more closely.
He didn’t like coffee _____tea, but water.
.However, in recent years, ___Three Gorges have come to be appreciated more for their natural beauty as ___ wonder of Nature.