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
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目
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