问题描述：
根据句意和汉语提示完成单词
1.Last Monday Peter _________ (争吵）with his aunt
2.What's _________ (发生）outside the post office?
3.Just now we _________ (听见）your cousin sing in her room
1.Last Monday Peter _________ (争吵）with his aunt
2.What's _________ (发生）outside the post office?
3.Just now we _________ (听见）your cousin sing in her room
问题解答：
我来补答展开全文阅读