The woman ______ a red sweater is his mother.

下列各项中，加点的词语使用恰当的一项是（ ）

One of the advantages with the new tool is that it is users ____ Users can handle it with less effort and more convenience[ ]

erine,I have cleaned the room for you. ——Thanks,You it. I could manage it myself.

proud and ______, never admitting he is wrong and always looking for someone else to blame.