144.The twin sisters are so alike that I still cannot __ who is who, though I have been teaching them for two years. A. distinguish B. tell C. differ D. separate为什么选B不选A？
热心网友
distinguish是有区别的意思,但一般用在复数之前,如distinguish them,或使用from,如distinguish A from B.而这句话意思是\"不能说出谁是谁\",因此选B.C和D的用法也跟A类似.
热心网友
我错了...我检讨