We may meet all kinds of difficulties in the future, but we should be confident enough to any challenge.
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.
Every day the old man takes these children home _____ school.