问题
选择题
In those days John with his classmates _____ kept busy preparing for the exam.
A.is
B.are
C.was
D.were
答案
答案:C
本题中在那些天表示的是过去,用过去时,本题的主语中心词是John,为单数第三人称,故用was,故本题选C。
In those days John with his classmates _____ kept busy preparing for the exam.
A.is
B.are
C.was
D.were
答案:C
本题中在那些天表示的是过去,用过去时,本题的主语中心词是John,为单数第三人称,故用was,故本题选C。