Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.
It is his cleverness, not his strenth, ____ defeated his rival.
Mr Smith, ____ of the____ speech, started to read a novel.
There are more than three thousand students in my school, most of____ from the country.
---Will $200____? ----I’m afraid not. We need at least 50 more dollars.
He spent all the money he had____ that dictionary.