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Plastics many other materials. A.has taken place of B.has taken the place of C.have taken place of D.have taken the place of 【查看更多】

 

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Nowadays, plastics _______ many other materials, and it is easily shaped.   
[     ]
A. has taken place of                  
B. has taken the place of    
C. have taken place of                
D. have taken the place of

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As it is easily shaped and melted, plastics ________ the place of many other materials.

[　　]

A．has been taken
B．have been taken
C．have taken
D．has taken

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