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11. He and his friends usually get ……… and talk about their stamps.
A. together        B. themselves    C. each other        D. one another
12. He likes stamps. He is a stamp …………..
A. collect        B. collecting        C. collector        D. collects
13. It’s difficult to cross this street because there is too much ………..
A. crowd        B. traffic    C. people    D. transport
14. Look at ………..girl over there.
A. one        B. this        C. that        D. a
15. Would you like to come to my house for lunch?
A. Yes, I do    B. I’d love to        C. Yes, I like    D. OK. I’d like