The correct answer is "He was singing when I entered the room". The past progressive tense is used to describe an ongoing action that was interrupted by another action. In this sentence, the singing was interrupted by the speaker entering the room.

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The correct answer is "He was singing when I entered the room". The past progressive tense is used to describe an ongoing action that was interrupted by another action. In this sentence, the singing was interrupted by the speaker entering the room.

Alfred Marshall (1842-1924) is the author of Principles of Economics, which was first published in 1890. Marshall was a British economist and a founder of the "neoclassical" school of economics. The book is considered to be Marshall's most influential work.

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Alfred Marshall (1842-1924) is the author of Principles of Economics, which was first published in 1890. Marshall was a British economist and a founder of the "neoclassical" school of economics. The book is considered to be Marshall's most influential work.

Samoa Island

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Samoa Island

The conjunctions "neither" and "nor" are used to connect two negative statements, indicating that neither of the people knew the directions.

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The conjunctions "neither" and "nor" are used to connect two negative statements, indicating that neither of the people knew the directions.

The Param Vir Chakra (PVC) is India's highest military decoration, awarded for displaying distinguished acts of valour during wartime. On 26 January 1950, celebrated as Republic Day of India, the PVC was instituted as a Gallantry Medal with retrospective effect from 15 August 1947 by Dr. Rajendra Prasad, the then President of India.

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The Param Vir Chakra (PVC) is India's highest military decoration, awarded for displaying distinguished acts of valour during wartime. On 26 January 1950, celebrated as Republic Day of India, the PVC was instituted as a Gallantry Medal with retrospective effect from 15 August 1947 by Dr. Rajendra Prasad, the then President of India.