livemocha. com is a free site _______ visitors can not just learn languages but also chat online.
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that
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where
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which
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what
推荐题目
An ecosystem consists of the living and nonliving things in an area ________ interact with one another.
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that
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where
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who
D
what
It’s common sense that in summer people like to seek shade the air is cooler.
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in where
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in which
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where
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the place where
I was born in New Orleans，Louisiana，a city ________ name will create a picture of beautiful trees and green grass in our mind.
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which
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of which
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that
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whose
Foreign ministers of the two countries hold regular meetings, they can exchange views on international issues of both concern.
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what
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where
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which
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why
It seems that this medicine has a good effect on the patient, ________he may die in great pain.
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when
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where
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by which
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without which