( ){"A":"I think paper is a great invention\uff0e","B":"I think the plane is a great invention\uff0e","_刷题宝

题干

( )

A：I think paper is a great invention．

B：I think the plane is a great invention．

C：I think the telephone is a great invention．

上一题下一题 0.0难度选择题更新时间:2014-06-30 03:34:59

答案(点此获取答案解析）

C

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