Plastics many other materials. A.has taken place of B.has taken the place of C.h——青夏教育精英家教网——

摘要：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

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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

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