单项选择题

His illness made him ______ of concentration.

A．incompetent
B．unable
C．incapable
D．powerless
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单项选择题
After a concert tour in Asia, Canada and the U.S. , he will ______ work on a five-language opera.
A．confine
B．indulge
C．resume
D．undergo
单项选择题
Jones and Edwards are, ______ the producer and director of the movie.
A．responsibly
B．respectfully
C．respectively
D．respectably
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