单项选择题

From its experience, the dog found that ______.

A．only the paper with Mrs. Smith's words on it could bring it meat
B．the butcher would give the meat to it whenever he saw it
C．a piece of paper could bring it half a pound of meat
D．Mrs. Smith would pay for the meat it got from the butcher

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热门试题

单项选择题

Mrs. Smith treated her little dog quite ______.

A．cruelly
B．kindly
C．badly
D．unfairly

单项选择题

Edmund Halley figured out the orbit of ______.

A．some different comets appearing several times
B．the same comet appearing at different time
C．three different comets appearing three times
D．several comets appearing at the same time