In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more u
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 |
C解析:
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。
