问题
选择题
I would appreciate _________if you could let me know in advance whether or not you will be coming.
A．it
B．you
C．this
D．that
答案
A
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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I would appreciate _________if you could let me know in advance whether or not you will be coming.
A．it
B．you
C．this
D．that
A
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。