单项选择题
The question is ______ to send troops to take part in the war.
A．if worthwhile it will
B．whether it will be worthwhile
C．whether worthwhile it will be
D．if will be it worthwhile
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单项选择题
This instrument is ________that one.
A．almost as useful than
B．as almost useful as
C．almost as useful as
D．as useful almost as
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单项选择题
Could you please tell me _____ to repair our fax machine
A．how much it costs
B．how much cost is
C．how much costs it
D．how much does it cost
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