it may be that he is unfit for the office he holds是主语从句吗?怎么分析?但我的书上举主语从句的例子就举的这个，而且我在网上搜的主语从句练习里也有这个题。应该是主语从句吧，但我看不出来。

A man is fed,not that he may be fed,but that he may work. In one way,it may be thought that failure is may it be known that may can表猜测Mr. Bush is on time for everything. How ___ it be that he was late for the opening ceremony?A.can B.should C.may D.must不能用may? (Be) that as it may,our expenditure is bound to increase.括号处为什么填be? -Is that your English teacher?-No,it ___ be him.He has gone abroad.A.mustn't B.may not C.can't D.needn't Mr Bush is on time for everything.How ________ it be that he was late for the opening ceremony?谢A.can B.should C.may D.must That ( )her watch .I think yours is ( )in your bag .I saw it just now.A.mayde ,maybeB.may be ,maybeC.maybe ,may beD.may de,may be 英语选择填空may,maybe,perhaps,may be,possible,probably1()he knows the answer2that doctor ()forty years old3I think it() snow next sunday4you are ()right5It is ()that he will become a scientist6There ()snow the day after tomorrow7()my parents ar be that as it may是什么意思 it may be case that啥意思 It may be safely said that May he is your new teacher.(改为同义句) It ________ _________ that he is our new teacher. It is said that the Frenchman may be the best_________(garden)in the world. it is required that every citizen ,whoever he ___,___the laws of the countryA were,would obey B may be ,must obey C is ,obey D should be ,obey 但是为什么不选B呢 一道初二的题：must be 与 may beI'm afraid I______be going.It's too late.A.must B.can C.need.D.may 在本题中,must be 与may be 的区别到底在哪呢?另有类似一题：Who is that boy in a red coat?It ____ Tom.He likes red coat.A.must 英语翻译Much meaning can be carried clearly ,with our eyes ,so it is often said that eyes can speak .Do you have such kind of experience?On a bus you may look at a stranger ,but not too long .And if he finds that he is being looked at ,he may fee 英语翻译 Much meaning can be carried clearly,with our eyes,so it is often 1 that eyes can speak. Do you have such kind of 2 ?In a bus you may look at a stranger,but not too long And if he 3 that he is being looked at,he may fe