单项选择题

The grounds of the presidential palace are ______ by soldiers with guard dogs 24 hours a day.

A．surveyed
B．patrolled
C．investigated
D．inspected
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单项选择题
A ______ of the long report by the budget committee was submitted to the mayor for approval.
A．shorthand
B．scheme
C．scrutiny
D．sketch
单项选择题
Last month disagreements about who should be ______ to vote brought registration to a halt.
A．plausible
B．tangible
C．eligible
D．susceptible
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