性格形容词：kind, quiet, friendly 等 — 英语填空题
题目
选择合适的性格形容词填空（每词限用一次）：kind / quiet / friendly
1. My friend Amy often helps me carry my books. She is ___.
2. Jack doesn't talk much in class. He likes reading alone. He is ___.
3. Lily always smiles and says hello to new classmates. She is ___.