问题
选择题
There is a belief among students in some universities to be a volunteer will help prepare themselves for the future.
A．where
B．who
C．whether
D．that
答案
答案：D
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There is a belief among students in some universities to be a volunteer will help prepare themselves for the future.
A．where
B．who
C．whether
D．that
答案：D
则下列操作中正确的是【 】