a bit shy等修饰表达 — 英语词汇题

根据中文提示，补全句子中所缺的单词（每空一词，写完整单词）。 1. My little sister is a bit s____（害羞的）, but she is very nice. 2. Xiaoyong is a c____（聪明的）boy. He can answer all the questions. 3. Look! The boy is climbing the tree. He is so n____（淘气的）. 4. Miss Wang is n____（友善的）to us. We all like her.