问题
单项选择题
I look forward to（）for this at your earliest convenience.
A.having your approval
B.approved by you
C.get your answer
D.know your opinion
答案
参考答案：A
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I look forward to（）for this at your earliest convenience.
A.having your approval
B.approved by you
C.get your answer
D.know your opinion
参考答案：A
