| You can't arrive late for class. (改为祈使句) late for class. |
| He has to listen to music outside. (改为一般疑问句) He to listen to music outside? |
| We have to be quiet in the library. (对画线部分提问) do you have to in the library? |
| You must eat in the dining hall. (改为祈使句) the dining hall. |
| We can eat in the classroom. (改为一般疑问句, 并作否定回答) — we eat in the classroom?
—No, we .
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