We should divide all the potatoes two piles and separated the good ones the bad ones.
A. from; by
B. into; from
C. into; into
D. from; into
网友回答
A. from; by
(答案→)B. into; from
C. into; into
D. from; into
解析：divide…into和separate…from都有“把……分开”的意思。但前者指“把整体分成若干部分”，后者指“把连在一起的分开”。