The face of the Moon is changed by collisions with meteoroids, ______ new craters to appear.

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问题 The face of the Moon is changed by collisions with meteoroids, ______ new craters to appear.

选项 A、cause
B、causing
C、caused
D、have caused

答案B

解析考查现在分词作状语的用法。由于逗号之前是完整的句子，空格处不能填谓语动词，所以A、D选项应先排除掉。cause的逻辑主语为collisions，它们之间是主动关系，因此要用现在分词，所以B选项为正确答案。

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专业英语四级

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