I would appreciate if you could let me know in advance whether or not you will be coming.

发布时间：2020-08-17 14:28:47

 I would appreciate     if you could let me know in advance whether or not you will be ing.  
A. it
B. you
C. this
D. that

网友回答

A. it
B. you
C. this
D. that
解析：it指代if从句所表述的内容。句意为：如果你提前让我知道你是否会来，我会非常感激的。
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