单项选择题

Two TV cameras （） eyes of a mechanical man.

A．are served as
B．serve as
C．will be serve as
D．were serve as

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单项选择题
As soon as children were （） their mother got them out of bed and into the bathroom.

A．woke
B．awoke
C．awake
D．waken
单项选择题
(Not having passed) the law exam, (the state) refused (to issue him) a license (to practice).（）

A．Not having passed
B．the state
C．to issue him
D．to practice
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