高等继续教育 / 经贸英语
正确率：100%
题型描述: 单选题
We feel _ _ _ _ _ very regrettable that we cannot accept nay order for Tin Foil Steels at present.
A.this
B.that
C.it
D.what
We feel _ _ _ _ _ very regrettable that we cannot accept nay order for Tin Foil Steels at present.
A.this
B.that
C.it
D.what
参考答案：
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