Ther are old bikes(改为单数形势的句子)
问题描述：
Ther are old bikes(改为单数形势的句子)
thery
答
It is an old bike.前面一个是they嗯，知道，they的单数形式是it。
Ther are old bikes(改为单数形势的句子)
thery
It is an old bike.前面一个是they嗯，知道，they的单数形式是it。