and 和 etc的问题a b c and d ,etc.还是 a b c d,etc.哪个对?

and 和 etc的问题a b c and d ,etc.还是 a b c d,etc.哪个对? etc.的用法?A,B,C,etc.A,B,C,and etc.A,B,and C,etc.上面哪个或哪几个对? and etc.可以这么用吗?a,b,c and etc.有这样用的吗? 英文中举例,A ,B ,and etc.还是A,B,etc?etc前面要不要加and? an 和 a ,字母归类There's an a and a t in the word cat.像这样拔字母用an和a归类,请各位看看我的归类有没有问题：an:a,e,f,h,I,l,m,n,o,r,s,xa:b,c,d,g,j,k,p,q,t,u,v,w,y,z and 和etc可以一起用么,and etc. 英语语言学Multiple ChoiceSip and zip, tip and dip, map and nap, etc, are all ______. A. minimal pairs B. minimal sets C. allophones D. phones 请看问题补充,关于英语 的单项选择I want to eat some [ ].A.milk B.juice C.tea D.hot dogsGive me [ ]bread and [ ] orange ,please.A.some,an B.some,a C.some,any D.a,an I want( ) egg and ( )ice-cream.A:a ,an B:an,an C:an,some 用c语言编数据结构问题Write a program to count the number of a's,b's ,etc.,up to z's in a given text 英语翻译翻译选项和问题1.I often have glass of milk and apple in the afternoonA.a,a B.an,an C.an ,a2.do you visit your grandpsrents?Once a werkA.when B.How soon C.went D.are going3.season do you like best?SummerA.what B.when C.which D.why4. The word hour has _____h_____u and _____r in it.A.an,an,a B.a,an,an C.an,a,an D.a,an,a哪个是真的 yesterday Xiaoming wore______uniform and took _______umbrella to school A.a a B.an an C.a anD.an a This is___European wolf and that's___Asian elephant.A.a;an B.an;an C.an;a D.a;a Britain is____European and China is____Asian country.A.an,an B.a,a C.a,an D.an,a I have（ ）uncle and （ ） aunt.A.an,an B.a,a C.a,an D.an,a 【 】Lily has —uncle and —aunt.A,a;a B,an;an C,an;a D,a;an A little boy writes____u and ____n.A.a,an B.an,a C.an,an为什么选A?