I would appreciate you could give me some advice on TOFEL test.
A. that when
B. it whether
C. it if
D. that if
网友回答
A. that when
B. it whether
(答案→)C. it if
D. that if
解析：考查句型：I would appreciate it if 如果……我将不胜感激，it作形式宾语，真正的宾语是if后的从句。句意：如果你能给我提一些关于TOFEL考试的建议，我将不胜感激。所以选C。