From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

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..................... early, I found her at home.

P.T. Barnum opened his own circus in 1871 and become the most famous showman of his time.

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In Malaysia,........................ is free.

Some trees such as the Durian need to be burned periodically so that the seeds would open and germinate.

After driving a car for ten miles, John suddenly realized that he has been driving in the wrong direction.

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It used ......... a express coach three days ........... from London to Bath.

Five decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

A book may be studied by students as the ________ of a writing and analysis exercise in the form of a book report.

A book may be evaluated by a reader or professional writer to create a book ________.

They are planning on attending the convention next month, and so I am.

The Earth was flat, was believed by most people in the fifteenth century.

The surface of the planet Venus is almost completely hid by the thick clouds that shroud it.

Is Professor Su going to have _____ X-ray check. 

The tongue is the principle organ of taste, and is crucial for chewing, swallowed and speaking.

The sum of all chemical reactions in an organism’s living cells are called its metabolism.

Identify the error in each sentence: 

Mostly medical doctors have had some training in psychology and psychiatry.

Identify the error in each sentence: 

Last week Mark (A) told me that he (B) got very bored with his present job and (C) is looking for a (D) new one.

Identify the error in each sentence: Hardly he had entered the office when he realized that he had forgotten his wallet

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He is interested in the................... of old buildings.

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We walked for ten kilometers and then we stopped ............... a rest.