The students are encouraged to provide ______ service to the poor students.A、val

游客2023-07-20  27

问题 The students are encouraged to provide ______ service to the poor students.

选项 A、valuable
B、indispensable
C、voluntary
D、initial

答案 C

解析 题意是:学生们被鼓励向贫困学生提供______服务。[C]voluntary“自愿的”,符合题意。[A]valuable“有价值的”,[B]indispensable“必不可少的,必需的”,[D] initial“初始的,创始的”都不符合题意。
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