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

求My boo的歌词意思!Girlicious的,My boo yeah my boo yeah my boo boo boo yeah I'm not trying to be nosy but Coulda sworn I heard you say My baby's name And I know I ain't tripping His name ain't like no other name Repeat yourself I dare you to s I was doing my homework while my father was reading newspapers为什么填while While I （was watching） TV,my mother （was reading） books 这句话对吗? While my wife was reading the newspaper,I was watching TV. you are my boo中的boo是什么意思?一首韩文歌叫boo!IU唱的 其中 you are my boo中的boo是什么意思? I was reading ___ I heard someone calling my name.A while B when 状语从句,必须要有主语吗?比如：while I was reading ,my tears came to my eyes .这个句子,状语从句While I was reading 可不可以改成While reading (省略I was)? 英文MY BOO是什么意思啊? Even when I'm with my boo,you know I'm crazy over you 英语同义句转换 My father was reading a book when I came in the room._________________,My father was reading a book My brother was reading while I did my homework.while后面不是接延续性动词吗,为何用did my homework?My brother____ while I ____.A.reads;was doing my homework B.read;did my homeworkC.was reading;was doing my homework D.was reading;did my ho While I was just reading a book ,she came into my room.主句是什么? when i was reading jim _______(came) into my roomcoming 是错的 One day ,I was reading a newspaper when my wife called,--------------完形填空（答案） My uncle was reading () when I came home.A.some paper B.a morning paper I 什么 to music while my father was reading the evening paper.(listen) There was a big k___ on the door when I was reading a book in my study. I was ①reading a book ②in my room ③when my friend ④called me 去掉哪一个?