This is the plane he went to Shanghai business.A. where, for aB. by which, on theC. in

发布时间：2020-08-15 00:00:57

  This is the plane      he went to Shanghai      business.
A. where, for a
B. by which, on the
C. in which, on
D. where, on

网友回答

A. where, for a
B. by which, on the
(答案→)C. in which, on
D. where, on
解析：定语从句，by plane = in/ on the plane ；出差on business。
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