The Chinese scientist Tu Youyou won the 2015Nobel Prize.
Her has saved millions of lives across the world.( )
A.victoryB.storyC.discoveryD.industry
I still remember my first teacher __________ we haven’t seen each other for many years.
They have been friends __________ they were at primary school.
I’ll go to visit my uncle in England ________ the winter holidays start.
The mobile phone has changed people’s life a lot ________ it was invented.
Getting enough sleep is good for _______ health _______ study.