_____ he is only 4 years old，he is able to play the piano very well．A．ifB．althou_刷题宝

题干

_____ he is only 4 years old，he is able to play the piano very well．

A．if

B．although

C．unless

D．until

上一题下一题 0.65难度单选题更新时间:2015-05-26 06:44:09

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库