Teenagers often have their _________ who they admire very much.

 Many people think that in some more years we will see the complete ___________ of newspapers and magazines due to the internet

They can __________certain foods, pollen, or pet dander.

____ dating involves couples going out together. It gives you the chance to see how your date interacts with other people.

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Although the social sciences different a great from one another they share a common interest in human relationships.

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The lifeboat was launched at once to rescue the four fishermen.

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A traveler can reach some of the village along the Amazon only by riverboat

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Among the world’s 44 richest countries, there has been not war since 1945.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Margaret ____ in the school marathon for charity before.

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The worker bees choose one baby from the hive to become brand new queen and then feed it royal jelly made for pollen and saliva.

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Despite the disappearance of Mayan Empire, there are still Mayans in the region that  they once inhabited.

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In some species of fish, such thespined stickleback, the male, not female, performs the task of caring for the young.

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

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In the beginning, radios cost much more than they do because they turned out slowly and expensively by hand

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Some studies show whether young babies prefer the smell (of milk to those (of other liquids

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A professor of economy and history at university developed a new theory of relationship between historical events and financial crises

No one can predict the future exactly. Things may happen___________ .

I don't like that man. There is a sneaky look on his face.

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My father used to giving me some good advice whenever I had a problem.

Sam: “What a lovely house you have!”

Daisy: _________

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