Which of the following is NOT the guideline for writing memos and emails include?
A. Restricting message to one main idea.
B.Composing a short clear subject line.
C.Using heading in short messages.
出自:国家开放大学婚姻家庭法学

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块