Around 150 B.C. the Greek astronomer Hipparchus developed a system to classify stars according to brightness.
The packages___________________ so that it would be easier to carry them.
The examination was not very difficult, but it was_____________________ long.
It is stated in the passage that____________________ .
We must push the piano to the corner of the hall to_____________________ our party tonight.
Supporters of free-market globalization point out that_____________________ .
Standing on the tip of the cape,____________________ .
Education in many countries is compulsory________the age of 16.
She asked me______I was looking at.
In spite of her abilities, Laura has been_____________________ overlooked for promotion.
The phrase "keeps sellers on their toes" in the passage mostly means "______".