Which of the following can best describe a proper handshake?

选择一项:
a. Brief and soft.
b. Brief and firm.
c. Brief and strong.
出自:管理英语1

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