>
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：401 ℃ 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
1 APEC has a ___-layer organisational structure.
-6倍根号7*三分之一倍根号21除以二倍根号3和（四倍根号6-三倍根号2）除以二倍根号2
已知等比数列1,X1,X2,···X2n,2,求X1×X2×···×X2n
猜你喜欢
加工一批,李师傅每天加工12个,张师傅2天加工这批零件的5分之1,现2人合作6天完成任吾,求零件总数
而今安在哉? 是宾语前置,那正确语序是什么?
场景描写的作文500字
设A为n阶矩阵,A≠O且存在正整数k≥2,使A的k次方=O,求证：E-A可逆,且（E-A）的逆矩阵=E+A+A的2次方+…
these are the principles on which we seek friendship with all people of world 口译技巧如何翻
找不同类型的单词 england china american
到底是早上太阳离人近还是中午时太阳离人近呢?请说出有关科学道理.
英文翻译 祝你6.1儿童节快乐
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版
