In western countries，they eat ________ on Thanksgiving Day．
A．chicken B．turkey C．beef
Mountain Everest（珠穆朗玛峰）is ________ mountain in the world．
A．the highest B．highest C．the tallest
A bear is ________ than a monkey．
A．fat B．fatter C．thinner
Lily is Martin's younger sister．So Martin is Lily's ________ brother．
A．elder B．oldest C．old
________ comes before December．
A．October B．November C．February