As I was busy,I told her I couldn't help _____ the meal.

As I was busy,I told her I couldn't help _____ the meal. I couldn’t ______. The line was busy. I couldn't ___ .The line was busy I was really too busy with my homework and I couldn’t help _ I couldn`t help I couldn't help I couldn’t help laughing aloud when she told me the story.此句 i couldn't help but " I just couldn't help i told you he couldn't play the violin, Such was the case, and I couldn't help but support him. The speech was so boring that I couldn't help ____ (sleep).