南开18秋学期(1709、1803、1809)《大学英语(三)》在线作业答案随机1.doc
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18秋学期(1709、1803、1809)《大学英语(三)》在线作业-0001
试卷总分:100 得分:100
一、 单选题 (共 50 道试题,共 100 分)
1.The boy( )to school already.
A.has taken
B.has been taking
C.is taken
D.has been taken
正确答案:C
2.Mr. Smith, together with his wife and children,( )going to the party this weekend.
A.am
B.is
C.are
D.will
正确答案:B
3.Ed
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