Helping others is a habit, you can learn even at an early age.A. itB. that C. whatD. one

发布时间：2020-08-17 03:50:32

Helping others is a habit,      you can learn even at an early age.
A. it
B. that
C. what
D. one

网友回答

A. it
B. that
C. what
(答案→)D. one
解析：句意：助人为乐是一种习惯，甚至你可以在很小的时候就可以学会它。one=a/an+单数可数名词，句中相当于a habit，故选D
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