A container weighs more after air is put in,proves that air has weight. A. asB. itC. tha

发布时间：2020-08-17 12:26:51

A container weighs more after air is put in,    proves that air has weight. 
A. as
B. it
C. that
D. which 

网友回答

A. as
B. it
C. that
(答案→)D. which 
解析： which 指代 a container weighs more after air is put in 这句话。
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