一 、根据句意及首字母提示补全单词 1. Steven is funny. He often tells j______ to make us laugh. 2. Listen! S______ is knocking on the window. 3. Tom f______ the math exam and he felt very sad. 4. Joan is a s______ girl. She's afraid to speak before her classmates. 5. He wants to give me an expensive gift, but I can’t a______ it.