题目内容
【题目】I'd appreciate if you could let me know in advance whether or not you will come.
【答案】it
【解析】句意：如果你能让我提前知道你是否回来我将不胜感激。“…would appreciate it if…”是固定句型，it作形式宾语。故填it。
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题目内容
【题目】I'd appreciate if you could let me know in advance whether or not you will come.
【答案】it
【解析】句意：如果你能让我提前知道你是否回来我将不胜感激。“…would appreciate it if…”是固定句型，it作形式宾语。故填it。