when he ( )the door ,he found his keys were nowhere.

when he ( )the door ,he found his keys were nowhere.

题目
when he ( )the door ,he found his keys were nowhere.
A.would open B.opened C.had opened D.was to open
为什么答案选D,为什么不选B,在时间状语从句中,不是可以用过去时表过去将来时吗
答案
B因为主句he found his keys were nowhere说发现不找钥匙在哪里了,因此他不可能开门,因此不能选b opened
只能选 D be to open 将要去开门
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.