◎ 题干
Last night Bruce was observed________the building with two young men and take a taxi away.
A.leave B.left
C.having left D.to leave
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Last night Bruce was observed________the building with two young men and take a taxi away.A.leaveB.leftC.having leftD.to leave…”主要考查了你对  【一般现在时】【将来进行时】【过去完成进行时】【过去将来时的被动语态】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。