问题描述：
It is often said that ________ man differs from ________ animals in that he can think and speak .
A.the; the B.a; the
C.不填; the D.不填; 不填
Which one shall i choose?why?
A.the; the B.a; the
C.不填; the D.不填; 不填
Which one shall i choose?why?
问题解答：
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