Though it is an old machine,it works well.改同意句 __ __ an old machine,__ it works well.
问题描述:
Though it is an old machine,it works well.改同意句 __ __ an old machine,__ it works well.
如果an old machine前面填although it's 那后面填什么,如果it前面填but,那an old machine前面填this is
答
我认为前面填It is ,后面是but 或者 however