【题目】He struggled through a few games but a ________knee indicated his problems were not over.
A.swollenB.swellC.swearD.swearing
在线课程【答案】A
【解析】
考查词性辨析。句意：他挣扎了几场比赛，但肿胀的膝盖表明他的问题还没有结束。A. swollen肿胀的，是形容词；B. swell肿胀，是动词；C. swear咒骂，宣誓，是动词；D. swearing发誓。后面是名词，这里表示“一个肿胀的膝盖”，用形容词，故选A。