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外语
We have been studying German ______ we entered this school.
We have been studying German ______ we entered this school.
admin
2009-07-15
72
问题
We have been studying German ______ we entered this school.
选项
A、as
B、since
C、while
D、because
答案
B
解析
as意为“当…时候”;since意为“自从…时候”,其主句采用现在完成时或现在完成进行时;while意为“当…时候”;because意为“因为”,故根据句意答案为[B]。
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本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
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公共英语二级笔试
公共英语(PETS)
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