Question

【题目】(2014·陕西卷)I’d appreciate __________ if you could let me know in advance whether or not you will come.

A. it B. you C. one D. this

Answer 1

【答案】A

【解析】句意：如果你能让我提前知道你是否能来我会很感激的。I would appreciate it if… ＂如果……我会很感激的＂，it是形式宾语。