Why not ________ out for a walk?
A．going B．to go C．go
-What do you like?
--I like ________．
A．to playing basketball
B．playing computer games
C．play the piano
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