Mr.Smithaswellashisstudents,______

发布时间：2020-07-10 10:22:46

Mr.Smith as well as his students, ________ a song in English when I came in．













A.sang












B.were singing











C.was singing











D.is singing

网友回答

C解析此题考查主谓一致。句子的主语是Mr．Smith, as well as连接的成分不作主语，因此谓语动词要用单数，受“when I came in”从句限制，要用过去进行时。
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