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题目内容
（山东第一医科大学英语（4））
- Do you see why he hasn’t turned up yet？
- Sorry， I don’t know _______.
A . what the matter is
B . how matters stood
C . what is the matter
D . how is the matter
- Sorry， I don’t know _______.
A . what the matter is
B . how matters stood
C . what is the matter
D . how is the matter
参考答案