单项选择题

His job ________ a great deal of travelling.

A．obliges
B．requests
C．involves
D．produces
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单项选择题
He is ____________ here in town, but I suppose he is __________ in his own village.
A．no one, some one
B．any one, no one
C．nobody, somebody
D．anybody, nobody
单项选择题
It is reported that the factory's new assembly line ___________ next year will increase its output by at least 30%.
A．to complete
B．completed
C．being completed
D．to be completed
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