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Another type of pollution, thermal pollution , is caused by fuel-burning. A. calling B. called C. to call D. calls 【查看更多】

 

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Another type of pollution, ______ thermal pollution (熱污染), is caused by fuel-burning.

A．calling

B．called

C．to call

D．calls

 

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Another type of pollution, ______ thermal pollution (熱污染), is caused by fuel-burning.


  1. A.
    calling
  2. B.
    called
  3. C.
    to call
  4. D.
    calls

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Another type of pollution,_____thermal pollution (熱污染), is caused by fuel-burning.

　 A. calling　　　 B. called　　　 C. to call　　　　 D. calls

 

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