氢气中有几个氢氢键

Judy,I guess you are only twenty-five years old,is that true?Oh ,it's a _.A.suggestion B.secret C.reason D.problem 常识：john is twenty years old ,but he has only five birthdays .why because he was born? Jimmy is a young man of twenty-five years old.的翻译 英语语法it's certainly that 有这种用法吗?求高高手解答……有人说不可以、有人说是强调句型……很纠结啊……百度这个可以在百度文库里面看到…… 英语语法--it was...that强调句的用法问题it was me who ate the chocolate up.请问这句话的语法对么?“我”作为主语要强调的时候,在it was后面应该用me 还是 I ? “这个夏天她不在” 英文怎么写? it和that的用法详细一点 一点点列出来 要有个例句 好的+分差不多要高三的水平 不是区别it that it的用法 和that的区别什么是形式主语 什么是形式宾语 that与it用法区别 改为同义句 1.My parents got married twenty years ago=My parents ()()()for twenty years2.What's your favorite season?=()() do you like ()?3.My father hasn't been to the Tibet.I haven't been to the Tibet,either.=My father hasn't been to the Tibet, I'm hungry.Please give me something ---.to eat 还是 eating 还是 eat 还是 eatenSea food makes us ---.stay healthy 还是 to stay healthy 还是 keep heath 还是 to keep healthThe music sounds so ---.beautifully 还是 well 还是 good 还是 fi My parents took me to Japan when I was little.I lived there for five years.My parents took me to Japan when I was little．I lived there for five years． 31 I come back．my Japanese was very good．"Can I do something useful with my Japanese?．"I I'm a little hungry. W_____you please give me something to eat? My parents have five good friends.对five提问 i'm hungry,please geet/give/take something for me to eat There are 50 people in my class.Some are reading.The others are sleeping 为什么这里后面不可以用others 一定要用the others 是不是因为前面有50人这个范围吖 兔斯基的英文名叫什么 Whould you please answer the t______ for me?I am busy now.(根据首字母提示补全单词) 1.Could you answer that telephone please.I am busy.OK,I will_____ it for you .A.show B take C get D call2.What's there _______ Oh,it's a museum.A stood B being built C build D putting.3.I'm sorry.Miss Yang,I've left my homework at home.Shall I go and How could I trust you?Give me the answer, Can you give me an answer now?中文 1+1＝?please give me your answer为什么 扫把星的英文是? 扫把星.幸运星用英语怎么说.. 扫把星英文怎么说 There are some special habits in HawaiiThere are some special traditions in Hawaii.People are very friendly and always welcome visitors.They give visitors a Lei——a long necklace of beautiful fresh flowers; Men wear bright flowered shirts,and wome 你真是个扫把星 怎么说呢 some animals are g________ and friendly to people. 什么是扫把星 some people over there 用is还是用are In Hawaii it's very hot in summer.So there are a lot of m_____.They like biting people. 兔斯基的英文名是什么?懂得才回答!是Tuzki还是Tuziki?我觉得Tuzki比较好听!