垂直于x轴的法向量

I am drawing on the computer when Jim came to see me yesterday evening 这句话的时态对不对是用I am drawing 还是I was drawing Who[ ](have) a computer in your class .用适当形式填空 have four friends.( )of them are in Class 2.( )are in Class 3.A.Two;Another two B.Two;Other two C.The two;Others D.Two;The others do you have a good friend in your class怎么回答 Why Choose to be a Tour Guide为题写一篇文章 【选词填空】tour；tourist The （）guide gave us a lot of advice about the trip to Yunnan.tour；touristThe （）guide gave us a lot of advice about the trip to Yunnan.The （）enjoy the sightseeing of Yunnan very much.weigh；weightHow muc make sense是什么意思?用法有哪些? 帮我用"MAKE SENSE"造句!最好写出中英翻译 I'm thirsty.I want some water to drink,but there was _____ in the bottle.A nothing B none C noD not I'm thirsty ,____ I want to do is to drink some water.A.all which B.that C.all D.everything which请问答案选哪个?为什么?这是复合句吗?如果是,那是何类复合句?I'm thirsty 后面应该是句号吗？ 英语翻译重谢 英语翻译这是我暗恋的女孩子说的一句话，我跟她关系本来很好，一起去看电影逛街什么的。可是我过早对她表白后她拒绝了我。如果这句话是对我说的话，里面蕴含着什么以后意思呢，我 Time will prove everything翻译成中文是什么意思啊? 有没有没有时态的句子 请问英语的虚拟语气中,若条件句和主句时态不一样怎么办?比如 if ……yesterday ,I ……now 之类的,这该怎么虚拟? Who____(have)a pet?Many boys_____(do) I have many students, every of them is sI have many students, every of them is smart.这个句子有错吗?还是正确的? Chinese tour guide是“中文导游”的意思么?还是其他什么意思? what's your adventage to be a tour guide? making sense making sense of 求《堂吉诃德》每一章节内容简介? 堂吉诃德的主要内容简洁一点 堂吉诃德内容简介【400字左右】紧急 翻译This time I want to do something different. 我要的长久不是曾经拥有而是天长地久焕青我一直在等你 英文怎么说 I want to find a licensed English tour guide in Beijing. how many students _____ in your class?---25 boys and 30 girl.___55. Can you make sense of How many girl students in your class?这句话对吗? make sense of emotion意思 yesterday 可以用过去完成时吗I had shipped the goods yesterday .语法对吗用过去完成时,还是只能用过去时态