Prototypical oboes did a loud,harsh tone, but the modern oboe is appreciated for its smooth and beautiful tone.
答案说是did 错,可是我不知道怎么改,是改成have 呢,还是改成 do ?
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改为have,这里是"有"的意思,have/do是常考的一对词
GG,你发错区了,应该在语法区里提问,提问的格式置顶的帖子里有,看看
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