Sorry, I don’t/didn't understand.
What’s … in German/English, please?
What’s the German/English word for …?
What does … mean in German?
Can you tell me the German/English word for …?
Could you repeat that, please?
Could you explain that (again), please?
Could you write that on the blackboard?
I can’t see the blackboard/the transparency (properly).
Could you move over (a little)?
Can you push the blackboard/the transparency up/down/to the left/to the right?
Can you focus the overhead projector, please?
Can you speak louder, please?
Can you turn the volume up/down?
What’s today’s homework?
Will this be in the next class test?
When’s the next vocabulary test?
Should we do exercise …?
Can you switch on the light?
Mr./Mrs. … I don’t feel well.
Could you open/close the window, please?
Could we finish the lesson a little early?
Can we work with a partner?