The price of diamond rings has risen sharply the price of gold rings has gone down.A. whe

发布时间：2020-08-16 07:25:47

The price of diamond rings has risen sharply      the price of gold rings has gone down.
A. when
B. as
C. while
D. otherwise

网友回答

A. when
B. as
(答案→)C. while
D. otherwise
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