Car dealers also have a tough time in bad economy. Therefore，they have to their business model to overe the difficulties.
A. admit
B. adjust
C. replace
D. remove
网友回答
A. admit
(答案→)B. adjust
C. replace
D. remove
解析：词义辨析。A. 承认；容许 B. 调整；适应 C. 取代 D. 移动。句意：汽车经销商在糟糕的经济中也有一个艰难的时刻。因此，他们不得不调整他们的业务模式来克服困难。故选B。