>
英语
>
i was reading my book when the phone ring是什么语法?
还有过去完成时和现在完成时的用法和区别一直搞不明白 什么时候用have/has+done 什么时候用had+done
麻烦详细解释一下
人气:331 ℃ 时间:2019-11-11 12:56:48
解答
was reading 是过去正在进行时,现在已经完成的了用have/has+done ,过去就已经完成的了用had+done.
推荐
I was reading a book ( )the phone rang.A.before B.when C.as D.after
I was reading a book when my mother came home.When my mother came home,I was reading a book .
when I was reading the newspaper,the phone rang.与 I was reading the newspaper when the phone rang.
I well ring you up when i find the book 同意句 I well —— —— when i find the book.
my mother _(watch)TV last night when the phone _(ring)
计算物质的量时原子的量和分子的量有什么不同
氢气爆炸是什么反应
一架飞机的飞行时间和航程如下表.
猜你喜欢
在一般情况下,生态系统中各种生物的_和所占的_是相对稳定的.这说明生态系统具有一定的自动调节能力,但这种调节能力是有一定_的.
It is a tall building.这句话怎样改感叹句.
吃苦当吃补是什么意思
为帮助学生告别不文明行为,为该校设计两个有意义的活动
maybe i have liked you
a^2(b-c)^3+b^2(3-b)3因式分解
This is our classroom.____(they) is over there.用所给单词的适当形式填空
某难溶物质的化学式m2x,则溶解度s与溶度积Ksp的关系是
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版