词汇：friend, classmate等同伴类单词 — 英语词汇题
题目
根据句意和首字母提示补全单词。
1. This is Helen. She is in my class. She is my c_______（同班同学）.
2. This is Tim. He is not in my class, but we often play together. He is my f_______（朋友）.
3. I have many f_______ at school. We help each other（互相帮助）.