写作业的英语是 do homework。其中，“do”是动词，表示“做”或“干”的意思，“homework”是名词，表示“家庭作业”或“功课”。

例如：

1. It's time to do my homework.

2. I need to do my homework before I can go out.

3. She always does her homework carefully.

4. Do your homework and then you can watch TV.

5. I have a lot of homework to do today.

6. Before you go near a stockbroker, do your homework.