Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

With clear evidence, his company couldn't deny having dump a large quantity of toxins into the sea.

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One reason birds have been so successful is to because of their able to escape from danger quickly .

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Acquisition of certain specific skills can be facilitated from ppopi awareness, education to novel situations.

It was __________that we went camping in the mountain last weekend.

Gary didn't always see eye to eye with his father, and this is where the honesty shows through.

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The public ceremonies of the Plains Indians are lesser elaborate than those of Navajo in the Southwest

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There are no  pouched animals in the United States but only the Opossum.

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The invention called Silicon chip in the 1960s has revolutionized the  computer industry

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John announced that he could not longer tolerate the conditions of the contract under which he was working.

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No sooner had the secretary hang up than phone rang again.

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The woman of whom red car is parked in front of the bank is a famous popstar.

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A dark nebula consists of a cloud of interstellar dust enough dense to obscure seveal stars beyond it.

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The number of teaching assistants required meeting undergraduate course needs is rapidly increasing.

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The planet Mercury rotates slow than any other planet except Venus.

The effects of cigarette smoking _________ been proven to extremely harmful.

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

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The team leader demanded from his team members a main attitude towards work, good team spirit, and that they work hard.

Someone who is_________ is hopeful about the future or the success of something in particular.

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Both  Mr. and Mrs. Smith are explaining the children the rules of the game .

I still can not believe it. My bicycle____ some minutes ago.

 ________he comes to the theater with me, I shall go alone.