_____you_____your homework?Yes.I___it only a few minutes ago A Did finish did C Have finished did

_____you_____your homework?Yes.I___it only a few minutes ago A Did finish did C Have finished did

题目
_____you_____your homework?Yes.I___it only a few minutes ago A Did finish did C Have finished did
B、D已排除,不知问句用什么时态,求原因
答案
C
根据句意:第一句应该是用现在完成时‘ 强调对现在的结果’ 你完成作业了吗‘ ,因为没有过去的时间状语,故不能用A
加油!不明白再问!
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点

超级试练试题库

© 2017-2019 超级试练试题库,All Rights Reserved.