问题 选择题

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

答案

C

考查冠词。句中live in a world…生活在一个……的世界。become a must变成一件必需品,选C。

填空题
单项选择题