单项选择题
A．are left-handed B．can use both hands equally well C．are right-handed D．like to use one hand more than the other
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
A．when he found the words on the paper were not very clear B．because he happened to have sold out all the meat in his shop C．before he felt sure that the words were really written by Mrs. Smith D．until he was paid enough by Mrs. Smith