【文章內(nèi)容簡(jiǎn)介】
(sheep) at the foot of the mountain. III. 單項(xiàng)選擇。 ( ) 1. — The air in our hometown is even ________ than it was before. — So we must do something to stop it. A. better B. dirty C. more better D. worse ( ) 2. Yao Ming is one of ________ basketball players in the w