【题目】Michael had a serious fall in playing football and his under lip began to ______ up.
A. windB. split
C. chokeD. swell
在线课程【答案】D
【解析】
考查动词辨析。句意：Michael足球时摔了一跤，下唇肿了起来。A. wind蜿蜒；B. split撕裂；C. choke窒息；D. swell 肿胀。由“a serious fall ”可知，Michael踢足球时摔了一跤，下唇肿了起来。swell up“肿胀”符合句意。故D选项正确。