为什么?我选的是cTo save class time,our teacher has _____students do half of the exercise in class and complete the other half for homework.a.us b.we c.our d.oursour students 为什么不行

为什么?我选的是cTo save class time,our teacher has _____students do half of the exercise in class and complete the other half for homework.a.us b.we c.our d.oursour students 为什么不行 In first aid ,every minute should be made full use ___ the injured.A.of saving B.to save Cto save D.of to save为什么选D The doctor are busy ____ the dying man.a:save b:saved c:saving d:to save 我选的是d答案选a 为什么? In some places bamboo is used ____houses为什么选D?A to buliding Bfor building with Cto be built Dto built不是被建造嘛,还是因为is used to已经有了“被”的意思,所以是‘建造’ mary prefers-----to work because it is the most convenient wayA taking a bus Btook a bus Cto take a bus D takes a bus选哪个啊,写一下所用到的词组我选A是错的 实验室资质认定上的CLA是什么意思? The flowers are so beautiful that I would do ____ I can to save them.A.whateverB.thatC.whicheverD.which这道题的答案给的是A,而我选的是C,为什么选A不选C? To save water is (to) save our livesTo save water is ( ) our lives.A.to save B.save 选什么?为什么?请说清理由!is 怎么会跟 to do _____has helped to save the drowning girl is worth praisingA who B those who C anyone D whoever选D .为什么不能选A?我能理解D是对的,可是A哪里错了啊? 货币上有CTO字母的是哪个国家的?水印是的女的在跳舞 save的过去式和过去分词是 CEO,CFO,COO,CTO的职责是什么 We should do -- we can -- those endangered animals,A that ,to save .B which save,C that ,save .D what ,to save,选什么呢,为什么啊. version是啥意思我用gba打开了一个及时存档为什么显示Unsupported VisualBoyAdvance save game version 0 麻烦帮我分析下这句英语They drove away,smiling and waving,with the guests ( ) the street behind him.A filled B filling Cto fill Dbeing filled 选D A B C 为什么不行 分析下句子成份 谢谢 I Showed an Old friend of mine around the city,___________ surprise,the changes had been so great.A Whose B which Cto whose D to which为什么选C,请具体分析一下,这难道不是非限制性定语从句吗,这个to 是怎么来的,请具体分 I Showed an Old friend of mine around the city,___________ surprise,the changes had been so great.A whose B which Cto whose D to which为什么选C,请具体分析一下,这难道不是非限制性定语从句吗,这个to 是怎么来的,请具体分 怎样提高分析问题的能力.我现在是程序员..志向是做CTO,但是经常发现自己分析复杂问题的能力不怎么样...有什么办法能提高?