_______ buy your ticket from a ticket machine. There are lots of people there.
It seems that something is wrong with Pam. She is always trying to avoid _____my questions.
It was ______ great success that everyone was proud of it.
She used to _______with her parents, but now she is used to ______with her classmates at school.
I was so lucky that I met ______ European man on Three Gorges Square yesterday, and we had ______ happy conversation.
— Do you often speak English, Linlin? —No, I ______ English in public. What should I do?