— Why do you stay at home? It’s time for you to go to the airport now. — Mum, it

 — Why do you stay at home? It’s time for you to go to the airport now.

 — Mum, it’s unnecessary to go there. The plane has been ____ because of the thick smog.

      A. handed out         B. put off            C. cleaned up                 D. given away

   

答案

B

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