问题
填空题
将每组中不同类的单词找出来，写在后面的横线上。
1. red, green, pencil, purple ______________
2. body, yellow, ear, nose ______________
3. eye, cake, hot dog, bread ______________
4. dog, rabbit, pencil-case, cat ______________
答案
1. pencil 2. yellow 3. eye 4. pencil-case