英语单句改错,

题目

英语单句改错,
单句改错：1,The teacher asked Mary why she is late for class that morning 2,It was in new Zealand where Elizabeth first met her husband David 3,The professor gave us lots of advices on how to learn English well 4,Mr.Smith is the teacher which house caught fire the other day 5,He devoted all his life to help the villagers develop agriculture

答案

1.is 改为was （过去式）
2.where改为that （强调句型）
3.advices改为advice（不可数）
4.which改为whose
5.help改为helping （devote sth to doing sth）