摘要: Elephants have their own way to tell the shape of an object and it is rough or smooth. A./ B.whether C.how D.what 答案 B 解析 从语法上分析.and后面的部分也应是tell的宾语.所以要填一个宾语从句引导词.what在从句中无成分可作.所以不合适,how则意义不对,而whether正合句意.
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