为什么有道英语题答案是It has been paid.而没有for如题 - -,什么sb pay ...for sth我都懂.就是被动语态,为什么有些地方的prep.可省而有些不能,例如take care of 的被动是taken good care of（我们老师说的）

为什么有道英语题答案是It has been paid.而没有for如题 - -,什么sb pay ...for sth我都懂.就是被动语态,为什么有些地方的prep.可省而有些不能,例如take care of 的被动是taken good care of（我们老师说的） Will the conect be over soon No,it ____just_____.(答案是has started.但我不明白为什么不用be on.) 【英语】Shanghai has taken on a new look.It isn't like _______ it used to be.A.whatB.howC.thatD.which为什么答案是B不是A啊? all that can be eaten___eaten up答案是has been all为什么后面是单数? 英语选择题：Will you go to rhe park if it ( ) fine? A.is B.will be C.be D.doesn't答案是A,为什么呢 求助!有道英语习题不会做!the Greeks thought that the bones__griffin bones.A. can be B.mustn't be c.had to be D.must be答案是D,请分别解释各个选项! 求解释一道英语单选题my new issue of china daily has disappeared.who___have taken it?Acould Bmust Cshould Dwould答案是A但是我不懂为什么 高二英语题一道the english book has been simplified to make it eaiser to understand,为什么不是to be understood~?被动 what number should be next after eighty-one（39 27 81） it's_____答案是243为什么呢?这3个数有什么规律?对了 还有道do you think ___ of us can use a robotevery one为什么呢？ 一道选择题（must be,may be）-Whose notebook is this?-It ______Jane's.It has her name on it.A.must beB.might belong toC.may beD.could be这是我在网上找的一份中考题,它给的答案是C,请问A为什么不可以?C:“可能是Jane的, 英语选择题：the milk ( )strange.It has gone bad,I think. A.is tasted B.taste C.tastes D.tasted答案是C.我想知道为什么后面要用has gone.? 1it was his doctor who advised that he _ a holiday away from the city.A have C has 答案选A 为什么?2 it is essential that all these figures_twice.A being checked B be checked 答案选A 为什么呢? 3,在被动语态选项中,有时会是be+ 时态选择 帮帮It is said that he _ sent to Austria to improve his English.A.would be B.was to be C.has been D.had been为什么答案说把A改为 will be 就对了?,这不是过去的吗?答案说就选项来看 只能用现在完成D答案 WHY 语法题目 从句1.we'd like to know________a businesswoman,who used to be a top model,has succeeded in remaining beautiful. 答案是how it is that 为什么不是 that how?谁能解释一下? What has to be broken before it can be used?翻译答案说出来 英语大虾COME IN HEREHis father has been_____(die)for three years答案是dead这里为什么用has been 问一道8A英语题—Where is the moon?— It _____ behind the clouds.A.may be B.maybe C.perhaps D.must参考书上的答案是B ,问问为什么不好意思打错了， the strap needs mending.it ( ).A has mended B has to be mended C has been mendedD has been mending一定要说出，为什么错，及为什么对，这是重点