Once you are to smoking it is difficult to give it up.A. crazyB. addictedC. fondD. attr

问题补充：

Once you are to smoking, it is difficult to give it up.

A. crazy

B. addicted

C. fond

D. attractive

答案：

A. crazy

(答案→)B. addicted

C. fond

D. attractive

解析：B 考察形容词辨析。句意：一旦你抽烟成瘾，便很难戒掉。Addicted和to连用表示“沉迷于....，对....上瘾”；符合语境，故B正确。