【题目】Liz has ________ her smoking to only three cigarettes a day, but her final goal is to quit smoking.
A. put down B. set down C. cut down D. turned down
在线课程【答案】C
【解析】
试题分析：C考查动词短语。A.put down平定；B.set down记入，登记；C.cut down砍倒，削减；D.turned down拒绝，关小，调低。句意：Liz已经把每天的吸烟量减少为3根，但是她的最终目标是不吸烟。由此可判断此处只有选项C符合句意，故选C。