高二英语选择要解析
问题描述：
高二英语选择要解析
_______a bit more careful in the exam ,many of such mistakes could have been avoided.
A.should you are B.if you were
C.had you been D.if you have been
答
c;这个题是虚拟语气的考查首先你要明白虚拟语气,这句话是说：如果你在考试中再细心点的话,很多错误都可以避免.所以他是对过去的虚拟,实际情况是 考试已经过去,问题也出现了.If 从句应该是had + done 所以后面 主句有...