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题目
He was shocked at the junk food that he saw____when he was in the restaurant
A.was served B.tobe served C.being served D.having served

提问时间:2020-11-08

答案
答案是 C.being served语境需要进行时态和被动语态sth being servedHe saw food being served by the waiterHe saw a man being run over by a carHe saw a bird being eaten by a cat
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