60和40的公因数

This pair of socks ______ worn out.I'll have to buy a new ______.A.is,one B.are,ones C.is,pair D.are,pairs求教!为啥选C不是A呢? 用pair,one或ones填空：I have worn out my shoes,so I want to buy a new （ ）.请我是个你为什么这么填. 用wear、dress、puton、dress up的适当形式填空On weekends Mr Smith usually_____casually.I_____my coat and went out.The young man often ____sunglasses.It's a small infor party,you don't have to ____ 请问这句填什么I have worn out my shoes ,I want to buy a new -----(是填Pair还是Ones 烩菌菜是什么? it is raining heavily the day before yesterday 修改 英语作文自我介绍除了介绍名字和年龄,还可以怎样介绍 跪求一篇英语自我介绍,内容包括姓名,姓氏,名,性别,年龄和电话号码. 八年级英语第六单元 They are fast _______out of money. A.run B.to run C.running D.ran请问选哪一个.急! I say the thief ( ) to the building A(running) B(run) C(ran) D(was running)应选那一个 the fuel is___ A、run out B、ran out C、running ou D、running out of 求Bruno Mars的Today My Life Begins歌词 today my life begins的歌词 today my life popular什么意思 请问“I am in my first year at college.".请问“at college”是什么语?加这个词组有什么用? college is a place where typically no one knows you at first,so you can be whoever you want to be. among the dead中文意思 请问“I am in my first year at college.".“at college”为什么要在最后?而不是靠前? 谁有The Runaways逃亡乐队的dead end justice歌词如题你有The Runaways版本的这首歌的下载地址麼? we konw there are many places of interest in china can you give us some_____ The lost cat_____(lie)dead among the trees when they found it. your（ a sunglass / a sunglasses / a pair of sunglasses/ a pair of sunglass ）哪个对? 选择填空：1 There are two ( ) of sunglasses.A pair B packets C pairs2 Here ( ) some candy A has B is C are3 Shanghai Zoo is far away ( ) my home A of B from C at4 We can ( ) a bus to the park .A take B by C on5 Kitty is looking at the map ( ) Sh 怎么用The shortest spells Is a man's nameQ名The shortest spells Is a man's name The man is David Johnson.Johnson is his_____name and David is his____name.A.family,firstB.first,familyC.first,last选一个 给某个组织发邮件,但并不清楚收件人是谁,应如何称呼 Dear Mr or Mrs, Free detention days 和Free demurrage days 具体怎么解释? 14 days free time at detention准确的意思是什么? 高中英语单选题.A hobby is an interesting way of spending your free time,but should not be ____ that you feel you have to do.A.something B.anything C.nothing D.everything a lot of free time用汉语怎么说 给比较熟悉的外国老师时应用什么前缀,Dear Mr./Mrs是不是太疏远请常跟外国人打交道的朋友回答