单项选择题

Radios today seldom need （） or the attention of a technician.

A．to repair
B．repaired
C．repairing
D．to have repair]ed

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单项选择题
On New Year's Eve, New York City holds an outdoor （） whieh attracts a crowd of a million or more people.

A．incident
B．event
C．case
D．affair
单项选择题
This great project at the Three Gorges of the Yangtze is expected to （） twenty years to complete.

A．spend
B．consume
C．need
D．take
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