— ______sleep do you think is necessary for a Grade 9 student? — 8 hours at least. 

It is raining, so I        stay at home.

Mother often does the laundry on Sunday.

Mr. Black used to be busy. But now he’s tired and      , so he has plenty of time to exer­cise.

I am a ________. I’m very busy when people go out to dinners.