英语翻译1.线路很忙,一定有人在使用电话.must2.晚饭后散散步真是一种乐趣.fun3.同学们说说笑笑地进了教室.4.

1.The line is busy---someone must be using the telephone.
2.It is great fun taking a walk after supper.
3.The students walked into the classroom,talking and laughing.
4.He gets along well with his (classmates)fellow students.