◎ 题干
They don't feel safe in our town at night because it _____ so dangerous. There's a robbery every week now.
[     ]
A. becomes
B. became
C. has become
D. had become
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“They don't feel safe in our town at night because it _____ so dangerous. There's a robbery every week now.[ ]A. becomesB. became C. has become D. had bec…”主要考查了你对  【现在完成时】  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。