Question

5. Look at the terrible situation I am in. If only I         . (follow)

你看我现在情况多糟。要是我听从了你的建议该多好啊。

Answer 1

5. had followed your advice考查虚拟语气的用法。从句意看：目前处境不妙，说话者应是对已发生的当初未听从对方意见这一行为的后悔和遗憾。因此，从句应用had done形式。