问题描述：
英语单选 语法 He spoke in such a high voice ______ out in the street
40.He spoke in such a high voice ______ out in the street.
A.as to be heard B.to be heard C.as to hear D.to hear
为什么选A?
40.He spoke in such a high voice ______ out in the street.
A.as to be heard B.to be heard C.as to hear D.to hear
为什么选A?
问题解答：
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