看图,给下列图片选择合适的句子或对话。
① ____ A. I have a new dress.
② ____ B. Look at my sweater. It's nice.
③ ____ C. My trousers are too long.
④ ____D. Look at his shirt. It's nice.
⑤ ____ E. In winter, I need a warm coat.
某人站在南极点上,他的正前方是( )
若-3xmy2与2x3y2是同类项,则m等于( )