How long have youthis school?

Did you have any classes last Friday?—No, we had a party_______it.[ ]

I think _____ of the materials I listen to at the beginning of the exam _____easy.

Don’t forget to__________ your things when you have finished your homework．—— I won’t, Mum.

It was not what he said but the way ____ he said it that made all the people laugh.