1.In the course of her life,she has made many important discoveries
2.The small auditorium packed with reporters from around the world
3.Jack thanks to the discovery,a year after her cancer cured
4.I welcome the opportunity to exchange with foreigners in English,to a large extent,be able to improve my English
5.I do not like the debt owed to any person,but the parents love it is I can not pay off the debt