请问这道英语语法题There ought to be less anxiety over the perceived risk of getting cancer than ＿in the public today.A.exists B.exist C.existing D.existed 为什么选A项?

请问这道英语语法题There ought to be less anxiety over the perceived risk of getting cancer than ＿in the public today.A.exists B.exist C.existing D.existed 为什么选A项? 英语语法题 there is something wrong with my car?请问此句中with my car作什么成分? 问五道高中英语语法题,1.Everything is not easy,____?A.isn't it B.is it不太懂2.The boy ought to be punished,____?A.ought to he B.should heC.ought not he D.ought not to he不太懂3.He may bring my books,____?A.mayn't he B.mustn't he C.can There we are.的英语语法.如题,我想知道这句话有什么语法吗, 一道英语语法题There are many people in here这句话有什么语病吗? 请问高中英语语法填空题如何提高? 英语语法：以下句子为什么用for?He has been there for six months.请问这里为什么用 for?这是新概念第二册第四课. We ought to be there by nine twenty.中文翻译 两道高中英语语法题~ 求助几道英语语法题!> 英语语法请教：Is there any coffee left?Is there any coffee left? [还有咖啡剩下吗]1. 请问这句话里的left充当什么什么成份?2. 请把这句疑问句还原回陈述句.谢谢! We ______ the letter yesterday,but it did not arrive.A must receive B must have receivedC ought to receive D ought to have received请问这道英语单选选哪个呢?请告知为什么选那项,别的为什么不选?最后还请翻译一下这句 that ought to have been pointed out to me at the very beginning请问这句话怎么翻译? 这道英语语法题,为什么选C,不选D? 英语语法题 英语语法题. 英语语法题, 英语语法问题-请问这里的that可以省略么?I suggest that you go there at once