--Peter _____ all night and made the TV set work.--Oh, he is an able boy!
My parents come from Hunan, but ____ of them likes hot food.
I don’t know when my father _____ back, but I’ll let you know when he ___back.
The children have six ______ classes every weekday.
We are not allowed ______ in our school.
She wanted to find a cleaner room ______.