问题描述：
that of的用法?
There is no _________ in the world.
A.love greater than a mother
B.love greater than that of a mother
C.love greater as a mother
D.as great love a as that of a mother
这题答案是B 我选了A
请亲具体说说'that of'的用法
There is no _________ in the world.
A.love greater than a mother
B.love greater than that of a mother
C.love greater as a mother
D.as great love a as that of a mother
这题答案是B 我选了A
请亲具体说说'that of'的用法
问题解答：
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