问题
单项选择题
It should be（）if you could immediately（）what quantity you can supply us at present.
A.thankful，advise
B.appreciate，advise
C.appreciated，advise
D.appreciating，inform
答案
参考答案：C
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It should be（）if you could immediately（）what quantity you can supply us at present.
A.thankful，advise
B.appreciate，advise
C.appreciated，advise
D.appreciating，inform
参考答案：C