____Do you mind if I open the windows? _____ ______ I feel a bit cold.

I’m sorry I _______ my English book at home.— That’s all right. Don’t forget to bring it next time.

It took the firemen six hours to________ the fire.

Come on, children! Help _____ some chicken.

_____ do you visit your teacher who taught you years ago? —Once a year.[ ]