单项选择题

The longer I worked with Mr. Smith, the more I realized ______ in computer technology.

A．how skillful he was
B．how was he skillful
C．how he was skillful
D．how skillful was he
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India is a big Asian country with a ______ population.
A．much
B．broad
C．rich
D．large
单项选择题
To ______ the temperature of the new machine, the researchers had to work for hours.
A．turn
B．find
C．measure
D．investigate
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