be essential to doing还是to do?我在书上看到的是doing,但是有些人说是to do,迷糊中.是不是当to后面可以接名词的时候就表示它是介词？那么后面接动词的时候也得相应的用动词的动名词形式，而不

be essential for/to有什么区别 动词+doingdislike+doin？+to do？ 求此题答案,希望给出解释Electricity is essential （） modern industry. be essential to 和be essential for 有什么区别?为什么啊 the essential needs should --- to the prisoners of wars A offer B be offering C be offeredD to be offered she couldn't stand to be told what to do.这个算是can't stand to do的句型吗 不是只有can't stand doin This software must be activated prior to use.For activation,a valid SERIAL is essential. essential essential essential essential essential essential spend的用法 是TO DO STH 还是DOIN STH 这个英文句子有哪里能改改么?2 essential factors need to be considered when preparing to sell a company.2 essential factors need to be paid attention on whenworking in a multi-cultural environment. --What are you doin now?--I'm writing to my cousin.He moved to America two weeks ago.He must be--What are you doin now?--I'm writing to my cousin.He moved to America two weeks ago.He must be_____receiving my e-mailA.listening toB,looking forward toC. 关于英语非谓语问题非谓语doing having done to do to have done to be doing being done have been done to be done to have been doing done doing,having done,to do,to have done ,to be doing,being done,have been done,to be done,to have been doin This is a very difficult operation.It is essential that you ________ for emergencyA.are to be prepared B.would preparedC.be prepared D.must be prepared It is absolutely essential that all the applicants one by oneA interviewed B to interview C be interviewed D to be interviewed