she was so angry an spoke so fast that none of us understand

she was so angry an spoke so fast that none of us understand she was so angry and spoke so fast that none of us understoo 两个英语单选She was so angry and spoke so fast that none of us und He was so angry and spoke so fast that none of us understood The old man was so angry and spoke so fast that none of his He spoke so fast that ______of us could understand him. The speaker spoke so quickly that（ ）of us could understand h mrs.white spoke so fast that some of us could 't f______ her She ran so fast that she was ( ) He spoke so fast that we could hardly understand him.把这句子改下, the math problem was so difficult that none of us could work She was so angry that she rushed out of the room,_______.