His ears are highly to any unusual sound in the machine, that is how he found the fault.A

发布时间：2020-08-16 08:27:12

His ears are highly      to any unusual sound in the machine, that is how he found the fault.
A. sense
B. sensitive
C. sensitively
D. insensitive

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A. sense
(答案→)B. sensitive
C. sensitively
D. insensitive
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