Peoplearelivingin      worldwheremouseclicksruleourlif...

问题详情：

 People are living in       world where mouse clicks rule our life, so online searches have become     must.

       A. the; /                       B. /;a                                 C. a; a                        D. a; the

【回答】

C

知识点：冠词

题型：选择题