一个水池上装有甲乙两个进水管，单开甲管四分之一小时

i am sorry to heard that和i am sorry to hear that哪个正确?语法都通顺么. 择题When did you decide to be a teacher? Let me see.I am thirty,and I have wanted to be one since_a twenty years b twenty years ago c I had twenty years d I was twenty答案为什么是dsince+一段时间+ago为什么不可以？ I have a teacher.对teacher进行各种时态的划线提问 what about something to drink?回答可以用ok,I'd like some orange evening,he,is,buy,a,going,newspaper,to,this We can also take some time out of our worried,busy schedule to notice the small things in life. “one five zero zero eight two four seven two five one”用国语怎么翻译? May I have your name 如何翻译, we（）John's name on the race list yesterday but for his recent injury.A will put B will have putwould put D would have put 为什么不能选C 大家帮个忙给我家的小宝贝起个名字,我姓付,宝宝是农历四月二十,下午四点四十五出生的,属蛇,男孩,想请大家看看他的五行是什么?却什么?给起个名字,多起几个,呵呵呵, 一本小说,我忘了叫什么名字了,各位美女帅哥帮个忙哈我只记得女主名叫木莲,穿成弃妃,晚上是青楼的神秘舞姬,男主叫颜绯色,颜门门主 have to,must时态的差别．时态上有什么区别have to不能和什么时态一起? have to和must哪一个可以用于将来时态?这两个意思相近,一个阅读短文中的一句话 You'll _____get another one tomorrow evening.（四个选项）A.must B.can C.had better D.have to.应该选哪一个?（这在短文中是一个 have to有无时态变化?如果有,有哪些? to have been done是什么时态 Would you like some tea?Yes,_____.A.we do B.I am C.please D.I like 有关于have to的文章英语时态问题再文中有几个句子：i will be busy that day.in the morning.i have to do my homework. i have too much homework.本文的时态应该是将来时的,为什么会出现现在时的呢?have to不是有wil There is going to be -----this evening.这个空应该填rain还是rainy?为什么?答案是rain，但是我不知道是为什么，我觉得应该是rainy吖.. There is going to(be rain)in the evening.括号内是否正确?若否,是否该填be rainy Where does a person stay for the longest time in his life?why? 英文歌,有句是i will love you,the sky will be grey or be blue……男声的 Where Does The Time Go?歌词 求有when the sky's blue to see you once again.my love的歌曲名字 the sky is blue（歌词）一首歌里有the sky is blue 还有so i什么的,请问是什么歌啊 where does it stay? Time does not stay is brief is the day.怎么分析句子成分啊 “她将十三岁”和“明天将会下雨”哪个用“will be”哪个用“is going to be”,分别怎么翻, 一般将来时怎样区别will和be going to? 一般将来时be going to与will的区别 一般将来时will 和be going to 的用法如何区分 will、be going to 、shall为一般将来时时候的区别以及它们的用法 英语翻译there was once a tiny,tiny star that lived in space,next to her parents,two enormous stars.the tiny star always wanted to travel around to see for herself.but her parents told her that she was still too little to go off on her own,and tha