Cycling is a very useful way, especially in cities bike paths have been built.A. whichB.

发布时间：2020-08-16 10:38:42

Cycling is a very useful way, especially in cities      bike paths have been built.
A. which
B. that
C. where
D. what

网友回答

A. which
B. that
(答案→)C. where
D. what
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