>
英语
>
i was sleeping late ___when _someone knocked on the door 为什么填when 而部填while 求详解
人气:121 ℃ 时间:2019-11-10 18:44:10
解答
因为主句是be doing,而从句是一般过去式
while则是从句主句都应该是一般过去式
推荐
he was sleeping late____someone knocked on the door 1.when 2.while 3.as 4.after
He was having dinner____a unknown woman knocked at the door.填when还是while?
When someone k___ the door,I was sleeping.
I was cleaning my bedroom while someone knocked on the door改错
someone knocked( )the door while i( )my housework
已知O为三角形ABC内一点,∠AOB=150°,∠BOC=90°,若OA=a,OB=b,OC=c,且|a|=2,|b|=1,|c|=3, (1)用a,b表示c (2)求a•(b-c)
刻舟求剑的故事中明白了什么道理
怎样阅读写人类文章
猜你喜欢
did you have a good meal和do you have a good meal的区别 除了现在时和过去时的区别
翻译jenny has heard many good things about the new film and wants to watch it very much
求十个好的作文题目.
王阿姨用40元买了12.5千克大米,李阿姨买14.5千克同样的大米需要多少元?
全家年龄80岁爸爸比妈妈大4岁爸爸是女儿的三倍,问女儿几岁?
已知|x|≥0,当x取何值时,3-|x-2|有最大值,并求出最大值.
课文五苹果里的五角星,中的鲜为人知中为什么还有魅力?
一列火车匀速行驶,经过一条长300m的隧道需要20s的时间.隧道的顶上有一盏灯,垂直向下发光,灯光照在火车上的时间是10s. (1)设火车的长度为xm,用含x的式子表示:从车头经过灯下到
© 2024 79432.Com All Rights Reserved.
电脑版
|
手机版