在学校教室里常用的英语句子有哪些？

May I join the class?

May I join the group?

Can you explain it once more, please?

What page are we on?

I am ready. May I start it?

What is the homework?

Do we have to write this down?

Sorry, for being late.

May I open the window?

May I close the window?

Can I answer the question?

Can I switch off the lights?

Can I go to the toilet?

Is this right?

Is this correct?

I am sorry. I did not hear.

Can you speak louder, please?

Which book?

Can you explain that again?

When is the exam?

When is the homework for?

I have done this.

Can I come in?

Can I pull up the blinds?

Can I pulldown the blinds?

Can you help me, please?

Can I go out?

Can I open the window?