______ his body and soul to bringing up-to-date technology and International attention to China's Aids problem, Dr David Ho, born in Taiwan, spent little time with his family.
It is the third time that she has won the race, ______ has surprised us all.
English is a language shared by several diverse cultures, __________ uses it differently.
The woman burst into tears ________she was announced the winner.
Just be patient.You _____ expect the world to change so soon.
--- Do you remember when I first met you? ---- Of course. I ___________ at Oxford University.