When you meet some trouble about how to use this new kind of machine, you can the instruct

发布时间：2020-08-16 12:21:17


When you meet some trouble about how to use this new kind of machine,
you can       the instruction.
A. look for
B. see
C. refer to
D. check

网友回答

A. look for
B. see
(答案→)C. refer to
D. check
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