In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can

题目简介

In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs,...

A．bad for

B．used to

C．used for

D．good at

题型：单选题难度：中档来源：不详

考查词语辨析。be bad for“对…有害”； be used to do“过去常常做…” be used for doing “被用来干…” be good at doing“擅长干…”句意为“在古代，狗主要用来帮人们打猎。现在，它们更有用—能帮助盲人，搜寻坏蛋…”故选C。