pen/pencil/ruler/bag — 英语词汇题

根据句子意思和中文提示，写出正确的文具单词，补全句子。注意单词拼写要完整正确。1. I write with a p____. It's long and yellow. I can draw with it, too. （铅笔）2. This is my r____. I use it to draw a straight line. （尺子）3. I put my books and pencils in my b____. （书包）4. My pen is old. I need a new p____ to write. （钢笔）