Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.
__________ John Kennedy was elected president, he was the youngest American President ever.
It is stated in the passage that____________________ .
Stephanie: "Oh, no! I left my book at home. Can I share yours?" Scott: "______ "
Standing on the tip of the cape,____________________ .
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
Supporters of free-market globalization point out that_____________________ .
She asked me______I was looking at.
_______ has been a topic of continual geological research.
There has been a great increase in retail sales,_____________________ ?