The composer Verdi has written the opera Aida to celebrate the opening of the Suez Canal, but the opera was not performed until 1871 .

The students in the dormitories were forbidden from going out after 11:30 p.m., unless they have special passes.

Choose the best answer:
Farmers need to .........crops.

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I had my hair________by my brother.

When she retires in September 1989, tennis champion Christine Evert was the most famous woman athlete in the United States.

Every city in the United States has traffic problems because the amount of bike on American streets and highways is increasing every year.

People who exercise regularly are less likely to develop heart disease than is those who do keep fit.

A ________ is a story long enough to fill a complete book, in which the characters and events are usually imaginary.

New laws should be writing to accommodate changes in our society.

Americans annually import more than $3 billion worthy of Italian clothing, jewelry, and shoes.

Patients at highest  ..............  of complications can be detected based on artificial intelligence techniques.

The brothers Grimm intended their fairy tales to be studied by scholars of German literature and not to enjoy as simple stories by children.

Many roads and railroads were built in the 1880s because of the industrial cities needed a network to link them with sources of supply.

The attribution of human characteristics to animals or inanimate objects appears in the mythologies of many cultures is a literacy device called anthropomorphism.

Australian koalas are furry, gray animal that live in trees and feed on leaves.

I shouldn't _________ so much coffee last night. I was wide awake till four in the morning.

Many theories on conserving the purity of water has been proposed but not one has been as widely accepted as this one.

The officials of the Board of Elections told that each voter present their registration card and a valid Texas driver’s license after receiving a ballot.

Needles are simple – looking tools, but they are very relatively difficult to make.

Do you think what people have smoked less and less?

Choose the best answer:

I spent hours ......... for this book.