—He ______ be in the classroom, I think.—No, he ______ be in the classroom. I saw him go home a minute ago.
The supermarket is open ______ midnight.
She didn’t go to work ______ that morning. She slept ______ noon.
He was ill _____ a week, and _______ the week he ate almost nothing .
Days are longer ______ summer than ___________ winter.
Tom and Paul usually watch TV ______ weekends.