61题,应该用used还是using

61题,应该用used还是using she wrote her own sentences ___(use) the grammar she was learning.用using还是used?为什么? 用来做某事是be using to do还是be using to doing,要有依据this kind of machine____cutting paperA:used to B:is using to C:is used for D:is used to选哪个？要理由 use used using的区别 be used to的be应该用过去时还是一般时? use,using,used应该选择哪个?为什么?John lives on the twelfth floor in a tall apartment building.Every day he comes back home very late when there is nobody ______the elevator.A)use B)using C)used I have never heard the word (used using)in spoken English.两个都可以吗?还是只有一个答案? wood__paper用be used to do还是doingis used to make 还是is used to making? 用be well used...还是be good used...为什么? 英语语法：修饰动名词和现在分词,应该用形容词还是副词?例：His favorite is wathching TV.如果我要修饰这个watchingTha man using cellphone is my uncle.如果我要修饰这个using 用不定式还是动名词?1,I like writing my own original sentences______the grammar I've learned.2,I started to write my own original sentences______the grammar I was learning.以上两题选项为 A.use B.to use C.used D.using请告知答案,请 初一英语小题选择the alarm clock __for waking up people.a,used b,is using c,is used d,using用下面括号中动词适当形式填空let us ask the boy_________(not play)in the street.I spent two hours mending my MP4(同义句改写）it _____ the village is no longer the one ( )it used to be,应该用关系副词还是关系代词? please say sentences ( )the new words.括号里应该填use还是using以及原因 the computers we are using now are much more advanced that ______ you used years ago.应该选什么?which thesethem those为什么? now judy is using the same mobile phone __was used by Alice two days ago.为什么用as make a plan for u___ money 是use 还是using? 原因 parents also tell them h_____ money can be used谢 used to 与be used to 的区别具体应该怎么用?