______ he arrived at the bus stop when the bus came.
She asked me______I was looking at.
We must push the piano to the corner of the hall to_____________________ our party tonight.
The phrase "keeps sellers on their toes" in the passage mostly means "______".
According to critics of globalization, several developed countries have become rich because of
_______ has been a topic of continual geological research.
Long ago, women were_________to vote in political elections.
Supporters of free-market globalization point out that_____________________ .
Michael looked deeply hurt and surprised when_____________________ .
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
There has been a great increase in retail sales,_____________________ ?