在聊完天气后，她说了再见并挂断了电话。

After discussing the weather, she said goodbye and ___hung ___up.

他非常生气，一句话没说就挂断了电话。

He was so angry that he ___hung ___up without saying another word.

请不要挂断电话——我还有一个重要的问题。

Please don't ___hang ___up - I have one more important question.