foothandout当中out是不同类的。foot意思是名词脚，hand的意思是名词手，而out的意思是介词外面，手和脚都表示身体部位，则out是不同类的。故应该选出这个单词，该题考察单词意思和分类的掌握情况。
B. On foot. C. By train. 【2】What should the students do before the trip? A. Write up a report. B. Go through the handout. C. Eat a big lunch. 【3】What subject are the students most probably studying? A. Something about animals. B. Something about cooking. C. Something about...