Grandpa is so deaf that he has to use a hearing

admin2020-05-20  13

问题 Grandpa is so deaf that he has to use a hearing

选项 A、help.
B、support.
C、aid.
D、tool.

答案C

解析 考查固定搭配。aid有“有用之物,辅助性工具/设备”的意思,hearing aid是固定搭配,指“助听器”;另如visual aid指“直观教具,视觉教具”。其他名词都不能与hearing构成固定搭配。
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