be kept 是被动语态吗在新概念2 第10课上看见的

be kept 是被动语态吗在新概念2 第10课上看见的 be kept to dokeep是使役动词,使役动词在被动语态中不是要还原to吗,keep怎么还原?请举一例 Reading rooms must_____quiet.A.be kept B.keep C.keeping D.kept需要用被动语态吗? The medicine must be kept cool不是说系动词没有被动语态吗周报里有这道题 must be是被动语态吗 may even be是被动语态吗 the room must be kept wet.变成被动语态! 英语翻译新概念2第10课整篇课文，是被动语态的，翻译成主动语态 Pls kindly be informed 这句话用在什么场合?be informed 是被动语态吗? Water must be kept from running away.这里面keep系动词不是无被动语态会进行时态吗那这个里面为什么还用 be kept 改一句被动语态How many magazines______(can borrow)in your library every week?被动!是“can be borrowed还是can be kept也就是要不要改延续动词 英语被动语态的问题1 thousands of buses had to be provided 这句话是被动语态吗,在语态表上我查不到,我记得 had to 不是必须的意思吗,请讲讲,再翻译下这句话.2 many things must be done 这句话是被动语态 此句中,keep 要改成被动语态吗temperature________( keep )between 2 and 10.此句子中,keep 要改成被动语态吗?是 keeps,还是is kept? your early reply would be appreciated是被动语态吗 to be是被动语态吗?举个例子 be used to doing是被动语态吗 be based on中的based是被动语态吗 be focused on这里的focused是被动语态吗?