兴趣爱好的英语

3.The light in the room------before you leave.A.are turned B.must be turned off如果知道答案,请说明理由. f（x）dx是什么意思啊?后面那个dx有什么作用? ∫0,1 dx有意义吗?它的值是多少刚学定积分，做了个奇怪的题目，没有被积函数，光求∫0,1 dx的值 DirectX 9.0和DirectX 1.0 是什么意思 死海位于哪个地区 You like watching TV否定句 It’s my cousin’s pencil sharpener该否定句 为什么是完成了的动作却用have 举个例子：she has turned on the light,she had turned on the light.明明是已完成了为什么还有have/has的表示,我只明白做过的事用陈述句是用had,说话人说的话用have,has.归根 英语翻译Don't miss you water till the well runs dry! 回忆我们的爱 i don't know ()she has received the package这个填空题是不是只能填whether,因为它引导表语从句,he did not go in ()he was late,括号中填because是因为直接原因吗?我有点搞不太懂直接原因,逻辑关系不强,怎么样 题目种春风是什么意思?文中是谁在种春风 is it my pencil?(改为陈述句) 谁有Craig david的you don t miss your water 空间链接阿.有的话,要能放空间的哦 Craig David-You don't miss your water空间链接阿 请问Craig David 的"You don't miss your water" 是什么意思? 你不想念你的水? 请教. she is turning on the light改为被动语态 You know the traffic rules(变为一般疑问句) 以will开头的句子怎么回答 Will可以作句子的开头吗? _________?It's on the desk.Look at my pencil case.It's new. i like swimming,diving,and riding my bike为什么用,diving的后面有and为什么还要用逗号 英语翻译求救土耳其语言翻译成中文,请问下面这句土耳其翻译成中文是什么意思?NOT:720 veya 3305 Konteynir de yer olursa bu modellerden tamamlayiniz 满架春风的意思2L：百度一下,我没找到= = 3L：其实你越这么说我越不想给你……忒没face了也~~~4L：原来如此看错了啊.怪不得找不到、、 天亮说晚安代表着什么呢? 春风佛面的意思是什么 天亮说晚安什么意思啊 春风似旧什么意思 凉州词中“春风”有哪些意思 We will go out for a dink,变成问句怎么变啊?能用shall we go out for a drenk?还是Will we go out for a drink?还是How about we will go out for a drink?还有有 a three days trip吗.我觉得是a three-day trip 生物化学该怎么学 英语翻译3、—What's Kangkang doing?—He is looking for space to park his bike in the parking lot.4、—Linda looks happy today.—Yes,she's on tour in China.7、—I won the first place in the long jump,and I feel very excited.—Congratulati 以will / have开头的句子算一般疑问句吗?