Not until I was on my way to the airport that I realized I had left my passport at home.
Standing on the tip of the cape,____________________ .
The phrase "keeps sellers on their toes" in the passage mostly means "______".
There has been a great increase in retail sales,_____________________ ?
Long ago, women were_________to vote in political elections.
_______ has been a topic of continual geological research.
According to critics of globalization, several developed countries have become rich because of
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
Only one of our gifted students______to participate in the final competition.
We must push the piano to the corner of the hall to_____________________ our party tonight.
As a millionaire who liked to show off her wealth, Mrs. Smith paid______________________________________________ we asked.