sint除以t的不定积分

The singer and dancer ( )our party evening.1.is to attend 2.are going to attend 3.shall be attend4.were to attend原因，分析，最好每个选项都分析哦 英语18.In such dry weather,the flowers will have to be watered if they ______.18.In such dry weather,the flowers will have to be watered if they ______.A.have survived B.are to survive C.would survive D.will survive为什么? Can you come to my party on Saturday evening?-------_______.A.Sure ,but I'm quiet busy.B.No.Ican'tC.Yes,I'd love to D.I'd love to In such dry weather the flowers wii have to be watered if they --A.have survivedB.are to survivec.would surviveD.will survive will you go to attend the evening partyNo._____A.even if invited B.if invited to C.after invited to D.until invited 答案D为什么不对 In dry weather ,the flowers will have to be watered if they__A. have survived b. are to survive c. would survive d. will survive为什么要用不定式呢 有点不明白 不定时也是表将来的一种呀 状语从句一般都用一般现在表 Why is the letter E so important?为什么答案是"It's the beginning of everything. 脑筋急转弯:Why is the letter E so important? 黄色人种主要分布在哪里? Why is the letter E so important? why is the letter E so important?Because 黑白黄三大人种主要分布区在哪里? Why is the letter E is so important?一道英语脑筋急转弯,要原因 My favorite animal is pandas还是panda?I think they are cute还是I think it's cute? ay发[ei]的单词有哪些? I don't think it's worth the price they are asking. I think ___（it ,you ,they,）are for ____（our ,we ,us ）选择正确的词 Are they (skate)on the lake? we can( )rowing on the lake sea,in,are,they,rowing,the(.)连词成句要准确! 设计一个还没创造出的新型玻璃!500字!要有作用和特点! 某校男女生人数比是6:7,全校总人数在250到270人之间,那么全校男女生各多少人? 男男女女老老少少怎么造句问一下 男人和女人吵架为什么哭的总是女人? 男人与女人之间为什么要经常通电话呢?普通朋友而已,为什么? Then they gave the wallet the police.有什么错 they gave the boxes to the____police A.astonished B.astonishing C.astonish D.astonishment 冥王星为什么降级为矮行星? 冥王星为什么被降级为矮行星? 冥王星是那年被降级为矮行星的? 冥王星为什么因一次天文学大会而降级? i should very much like to go to the party,but ----------.A i have not been invited B i was not invited 为什么不选b