1.我正在听英语广播，突然电话响了 2.他做完作业后看电视。 3.我已经吃过饭了。 4.这个故事听起来很有趣。

1. I was listening to the radio when the telephone rang. （一般过去时，推荐）
I am listening to the radio when the telephone rings. （一般现在时）
2. He watched TV after finishing his homework.
3. I have had my breakfast（或lunch, dinner）
4. This story sounds interesting.

希望能够帮到你 O(∩_∩)O

1 The phone rang when I was listening to the English brocast.
2 He watched TV after finishing his homework.
3 I've eaten already.
4 It sounds an interesting story.

1. The telephone rang while I was listening to the English radio; while 表示2个动作对比
2. He waches TV after finishing his homework;
3. I have finshed meal;
4. This story sounds very interesting.