—I’m not sure when the 6th national population census(人口普查)completed?—_______ November, 2010.
---Can you help me my math homework, Miss Zhang?---OK. Come to my house Sunday morning.
---What’s your favorite ? ---Pears.
---Are Bob’s pens ____ the pencil case? ---Yes, _____ are.
---Is this ________ dictionary?---No, _____ isn’t _______ dictionary.
---How much ______ the blue socks?---_________ three dollars.