1, Madam Curie discovered element Radium and was awarded the Nobel Prize of Physics in 1903.
2, It is believed that one man's dream is related to what he did at daytime.
3, At the beginning of the meeting, he introduced himself to all attendants.
4, The invention of computers affect a lot the promotion of science.
5, I apologize that i disturbed you.
6, By the way, have you considered to go to the musical concert the day after tomorrow?
7, Do you think it's possible to cross the Atlantic within 10 hours?