请教英语高手！

下面是我的翻译：
1。We listen to the teacher in class when he(she) gives a lecture.
2.Wang dong stands up and reads the text to his(her) classmates.
3.Betty plays the flute, and my mother plays the piano.
4.I will go to Britan this summer, so that I can practice my Enlish.

呵呵，我也不知道亚。无能为力！！！

1. We listen when the teacher speaks in class.
2. Wang Dong stands up and reads the text to the class.
3. Betty play the flute and my mother play the piano.
4. I am planning to go to Britain this summer so that I can practise my English.

1.We listen to the teacher when he give us lessons in the class.
2.Wand Dong stands up and reads texts to classes.
3.Betty plays the bamboo flute and my mother plays the piano.
4.I ready to go to Britain this summer,so I can practice my English.

1.We listen to the teacher when he/she is giving us lessons.

2.Wang dong stood up and read the text to his classmates.

3.Betty played the flute while mother played the piano.

4.I am planning to go th Britian this summer in order to practise my English.

We muust listen to the teacher