表达情感状态的形容词 — 英语填空题
题目
Sam is going to visit his grandma tomorrow. He can't sleep well tonight because he feels very e______. But on the way, he loses his toy car, so he feels s______. When grandma gives him a big hug, he becomes h______ again. 根据中文提示（兴奋的、伤心的、高兴的）用正确的情绪形容词填空。