Many people think that it is ______ making such an experiment.A．valuableB．worthw_刷题宝

题干

Many people think that it is ______ making such an experiment.

A．valuable

B．worthwhile

C．convenient

D．important

上一题下一题 0.64难度单项选择更新时间:2012-10-08 07:51:39

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