关于英语逗号的使用及语句的成分分类1.句子中的停顿Therefore,we should write a letter to the prime minister.2.在疑问句中引出说话人："I can come today," she said,"but not tomorrow."3.排列三个或以上的名词：Ontario,Quebec,and B.C.are the three biggest provinces.引出定语从句Emily Carr,who was born in 1871,was a great painter.单引号 Apostrophe [']其中第二句我不懂在疑问句中引出说话人,请问它是疑问句吗?还有为什么在网上有这么的教育网都把这作为学生的参考资料呢,我觉的更向一个简介引语,请帮我分析一下,是他错了,还是我的知识不够,我错了呢,she said 在这作什么成分?

关于英语逗号的使用及语句的成分分类
1.句子中的停顿
Therefore,we should write a letter to the prime minister.
2.在疑问句中引出说话人：
"I can come today," she said,"but not tomorrow."
3.排列三个或以上的名词：
Ontario,Quebec,and B.C.are the three biggest provinces.
引出定语从句
Emily Carr,who was born in 1871,was a great painter.
单引号 Apostrophe [']
其中第二句我不懂在疑问句中引出说话人,请问它是疑问句吗?还有为什么在网上有这么的教育网都把这作为学生的参考资料呢,我觉的更向一个简介引语,请帮我分析一下,是他错了,还是我的知识不够,我错了呢,she said 在这作什么成分?