I couldn't help crying out _____the bad newsA.onB.atC.to hear D.at hearing说明原因

I couldn't help i couldn't help but I Couldn't Help It 歌词 I just couldn't help help怎么解释啊！ Cry,not I want to,but couldn't help it. I couldn`t help用适当形式填空 .I couldn’t help praising the master’s ---------- 英语翻译 Excuse me,i couldn't help overhearing your conversation 填介词 I couldn't finish it() your help. I couldn't help but smile back at him.翻译 i couldn't( help) having an argument with her为什么用help i couldn't( help) having an argument with her为什么用help i couldn't agree i couldn‘t是什么意思 I couldn't find my lost watch if you didn't help me同义句 I couldn't help but cry.为什么后面不用不定式to cry呢?I couldn't help but cry When I saw the picture,I couldn't help thinking of my hometown为什么用 thinking couldn't help doing的问题I couldn't resist playing one last little joke on you.可以改成I couldn't help playing one last little joke on you.改了后意思一样吗?