—Are these girls ? —No, They’re in a school, but they’re not in a class.A. classmates B. students C. teachers
Playing with _______ robot is _______ unusual experience for me.
There are some children _____ in the room.
---I’m glad to meet you.---__________.
The population of Tianjin is ______ than that of Shanghai.
_______ people we help,______ we feel.