--Why does he look so sad? --Because he has by her classmates. [ ] A．bee laughed
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![--Why does he look so sad? --Because he has by her classmates. [ ] A．bee laughed](/pic/43_953698.jpg)
--Why does he look so sad?
--Because he has ________ by her classmates.
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A．bee laughedB．been laughed atC．laughedD．laughed at
试题答案
答案：B
提示：根据语境判断，答语为被动语态.laugh at为短语动词，被动语态中，介词at不可漏掉. |