Your bike is broken.You’d better ___________ a new one.A.to buy B.buy C.sell D.to sell
问题描述：
Your bike is broken.You’d better ___________ a new one.A.to buy B.buy C.sell D.to sell
答
选B
would better do sth.→最好做某事
翻译：
你的车子坏了,你最好买一个新的
根据句意,是新买,不是卖,因此选B