单项选择题
M: I paid 10 dollars for two books. I think they are too expensive. W: Expensive I paid 15 dollars for the same two books a few days ago.
A.She thought they were expensive. B.She thought they were cheap. C.She didn’t say.
A.his wife might enjoy climbing mountains B.his wife might be from a rich family C.his wife might be from a French mountaineer family D.his wife might climb with him
A.most stamp collectors like the mistake made in printing B.the mistake was made more than a hundred years ago C.the mistake was made in the British colony of Mauritius D.the stamp became rare and with a long history