When ________ different cultures，we often pay attention only to the differences .

I’ve become good friends with several of the students in my school __________I met in the English speech contest last year

In the reading room, we found her 　　　 at a desk, with her attention _____ 　　　 on a book.

17 — Will someone go and get Mr White— He’s already been ____

My friend Rose always hurts playing sports, so her mother worries about Very much.