根据句意及首字母提示，填写单词补全句子。
1.Jack`s grammer is good，but his p______is awful.
2.I suddenly r____how important it was.
3.My teacher i____my decision to study science.
4.Boys and girls behaved d____when they were playing that game.
不胜感激.!
參考答案:1 pronounciation
2 realized
3 insisted
4 differently
