单项选择题

Which of the following is the best possible title for this essay

A．An Introduction to Desktop Video Conferencing.
B．Modern Office and Video Conferencing.
C．A New Solution for Office Work.
D．Face to Face with Your Partners.

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热门试题

单项选择题

How many terms can a president in the United States be elected to at most

A．1.
B．2.
C．3.
D．4.

填空题

with→to。