Because the writer fell ill all of a sudden, the novel _____________ by the end of next month was put off.
Although I hurried, ____ I was late for the train.
The school requested that all the students ____ school uniform on weekdays in school.
Bats are surprisingly long-lived creatures, some _____ a life span of around 20 years.
I often think of those occasions ______ we had a happy time together.
Every day _____a proverb aloud several times until you have it memorized.