单项选择题
A．everything that was known B．law and something about medicine C．many new subjects D．the subjects that interested students
A．Cranberry sauce B．Pumpkin pie C．Pecan pie D．Roast turkey
A．the cut surface can heal more quickly B．open wounds on the tree run the less risk of getting diseased C．a gardener can do pruning more easily D．the leaves can interfere