--Was his father very strict with him when he was at school?--Yes.He had never praised him ____..
--Was his father very strict with him when he was at school?
--Yes.He had never praised him ________ he became one of the top students in his grade.(Unit7-5)
A.after?B.unless?C.until?D.when
为什么选C不选B?其它选项错在哪里呢?请分析一下句型或语法.
人气:301 ℃ 时间:2019-08-26 06:55:13
解答
主句中用had never done 表示“直到...才”的意思,用until表示一段时间的延续.如果用unless,表示只有在某种情况下才会发生的事情,主句用过去式就可以了.
推荐
猜你喜欢
- 西门豹这片文章写了哪几部分的内容
- a^2-b^2=4,a^2/9+b^2/24=1 请达人写明过程
- 如图,F1,F2是椭圆x^2/a^2+y^2/b^2=1(a>b>0)的左,右焦点,点M在x轴上,且向量OM=√3/2向量OF2,过点F2的直线与椭圆交于A,B两点,且AM⊥x轴,向量AF1×向量AF2=0.(1)椭圆的离心率(2)若△AB
- 一批产品经检验,合格的有792个,不合格的数量占合格的99分之1,这批产品的合格率是( )%
- 请问!眼神不清的含义是什么?
- 高中英语填空题
- 三月份用电量一百瓦时,四月份用电量一百一十瓦时四月用电比三月多百份之几
- 问几道几道关于椭圆的数学题(急需要解答,会的速度来)