题目内容
According to a survey, few children from single-parent families have a hobby and that hobby ______ last for only a year or two.
A. ought B. must C. may D. need
C
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题目内容
According to a survey, few children from single-parent families have a hobby and that hobby ______ last for only a year or two.
A. ought B. must C. may D. need
C