问题补充:
—Do you think a radio is useful in learning English?
—Sure. A radio can listening English songs and reports.
A. be used by
B. be used as
Cbe used for
D. be used to
答案:
A. be used by
B. be used as
(答案→)C. be used for
D. be used to
解析:句意:上句问你认为收音机在学英语方面有用吗?下文是的,收音机能用来听英语歌曲和报告。be used as被当作……用be used for被用来干……= be used to do be used to doing习惯做……=get used to be used by …被用来做什么?its no use doing sth做……是没用的。故选C