249. A_____ has taught us what atoms are made up of and how powerful the atom bomb is.
It's reported that by the end of this month the output of cement in the factory _____ by about 10%.
Active reading will result in a better understanding of what _____.
The fifth generation computers, with artificial intelligence, _____ and perfected now.
This kind of glasses manufactured by experienced craftsmen _____ comfortably.
While people may refer to television for up-to-the-minute news, it is unlikely that television _____ the newspaper completely.