请在(57)处填上最佳答案。

请在(57)处填上最佳答案。A.twice as much B.twice as many C.as much as twice D.as many as tw

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Two major problems for museums are that they have too many v

Two major problems for museums are that they have too many visitors and they____

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Paragraph 5__________.

Paragraph 5__________.A.Causes of Changes B.Increasing Number of Museums and Vis

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The fact that the heart is on the left side of the mother's

The fact that the heart is on the left side of the mother's body provides the mo

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Sulfur has occasionally been found in the earth in an almost

Sulfur has occasionally been found in the earth in an almost pure state.A.regula

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