—May I use your dictionary, Lily?—Sure, _______.A. go ahead B. you can ask Bill C. that’s all right
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.