701. It's no use complaining. 发牢骚没什么用。 
702. It's none of my business, but I think you ought to work harder.   这件事情和我毫无关系,但是我觉得你应更努力地工作. 
703. It's none of your business! 这不关你的事儿! 
704. It's not too heavy,but I don't know the exact weight.   它不是很重，但是我不知道它的精确重量。 
705. It's only a suggestion, and you can do what you please.   这仅仅是一个建议,这些事情你必须要自己考虑. 
706. It's quite cold today. 今天真冷。 
707. It's Sunday today． 今天是星期天。 
708. It's time to begin. 到开始的时候了。 
709. It's time you went to bed． 你早就该睡觉了。 
710. It's two blocks straight ahead.   向前一直走，过两个街区就到了。" 
711. It's two o'clock. 两点钟。 
712. It's up to you． 由你决定。 
713. It's very thoughtful of you． 你想得真周到。 
714  Its wiring is faulty  线路有毛病 
715. I've already read that book. 我已经读完了那本书。 
716. I've always thought photography would be an interesting hobby.   我总是想摄影会是一个有趣的爱好. 
717. I've always tried not to interfere in your affairs.   我总是尽力地不干涉你的工作. 
718. I've definitely decided to go to California.   我一定去过加利福尼亚。 
719. I've forgotten what he said his address was.  我把他所说的他家的地址给忘了。 
720. I've forgotten what time he said he had dinner last night.   我忘记了他昨晚几点钟吃的晚饭了？ 
721. I've got a lot of things to do before I can leave.   在我走之前,我有很多事情要做. 
722. I've got a pain in my back. 我背痛。 
723. I've got to get this shirt washed and ironed.   我已经将我的这件衬衫洗和熨过了。 
724. I've got to start working out． 我必须开始做健身运动了。 
725. I've gotten interested in hi-fi. I'm building my own equipment.   我对高保真收音机渐渐产生了兴趣.我正在装备一台. 
726. I've heard of unusual hobbies, but I've never heard of that one.  我曾经听说过不同寻常的习惯,但是我还没有听说过那一个. 
727. I've lived here for five years. 我在这住5了年了。 
728. I've never heard that piece before. Who wrote it?我从没有听过这一段. 是谁写的? 
729. I've never read a more stirring story.   我从没有读过这么感人的故事. 
730. I've spoken English all my life. 我终生讲英语。 
731. Japan is to the east of China． 日本在中国的东部。 
732. Jean is a blue-eyed girl． 珍是个蓝眼睛的女孩。 
733. John and I are old friends. 我和约翰是老朋友了。 
734. John asked Grace to marry him， 约翰向格雷斯求婚。 
735. John has built up his own business.He owns a hotel.   约翰已经有了自己的生意.他有一个旅馆. 
736. John has extracurricular activities. He's on the football team.   约翰有许多课外活动.他是一名足球队员. 
737. John is not forty-five yet,is he?   约翰还没有岁，是吗？ 
738. Jones Boulevard街有多长？ 
739. Jones. J-O-N-E-S. 琼斯，J－O－N－E－S。  
740. Just around the comer． 就在附近。 
741. Just for entertainment． 只是为了消遣一下。 
742. Just read it for me． 就读给我听好了。 
743. Just wait and see! 等着瞧! 
744. Just wonderful! 简直太棒了! 
745. Keep in Touch． 保持联络。 
746. Keep it up! 坚持下去! 
747  Keep on good terms  保持友好关系 
748. Knowledge is power． 知识就是力量。 
749. Last month was December,wasn't it ?  上个月是十二月，对不对？  
750. Learning foreign languages is just an avocation with me.   学外语是我的一项爱好. 
751. Let bygones be bygones． 过去的，就让它过去吧。 
752. Let go! 放手! 
753. Let me give you a little fatherly advice. 让我给你个建议. 
754. Let me see．让我想想。 
755. Let's begin now. 现在让我们开始。 
756. Let's go for a walk，shall we? 咱们出去走走，好吗? 
757. Let's go out to the airport. The plane landed ten minutes ago.  让我们去机场。飞机在十分钟前就已经着陆了。  
758. Let's make a date to go shopping next Thursday.   让我们约定好下周四去商店。 
759. Let's not waste our time． 咱们别浪费时间了。 
760. Let's talk about something else.   让我们谈点别的什么吧。  
761. Listen and repeat. 先听，然后再重复一遍。 
762  Locate the wreckage  查找残骸的地点 
763. Long time no see! 好久不见! 
764. Looking back on it, I wish we hadnt been given in so easily.  回过头来看，我希望我们没有这样轻易让步。 
765. Love me，love my dog． (谚语)爱屋及乌。 
766  Make a ghastly discovery  惊人的发现 
767. Make up your mind． 做个决定吧。 
768. Make yourself at home． 请不要拘礼。 
769. Many great writers were not appreciated fully while they were alive.  许多伟大的作家,在他们那个时代并不是很受欢迎. 
770. May I ask some questions? 我可以问几个问题吗? 
771. May I check,please?  我能检查一下吗？ 
772. May I speak to Lora，please? 我能和劳拉说话吗? 
773. May I use your pen? 我可以用你的笔吗? 
774. Maybe they're farmers. 他们可能是农民。 
775. Me too． 我也是。 
776. Milk,butter,and cheese are shipped here from the dairy farms.   牛奶,黄油,奶酪都从制酪场运到这里. 
777. Money is not everything． 金钱不是一切。 
778  Monitor the situation  研究形势 
779. Most amateur radio operators build their own equipment.   大多数业余收音机爱好者都自己装机子. 
780. Mother doesn't make up． 妈妈不化妆。 
781  Move across the sky in an arc  在天际划出一个弧线 
782. Move out of my way! 让开! 
783. Mr. Jones can speak French pretty well.  钟斯先生能讲很好的法语。 
784. Mr. Smith is a politician.He's running for election as governor.   史密斯先生是个政治家.他正在为竞选统治者而奔忙. 
785. Mr. Smith is still in his fifties.  史密斯先生多岁了。 
786. Mr.Wang is fixing his bike． 王先生在修他的自行车。 
787. Mrs. Jones, this is Mr. John Smith. 琼斯夫人，这是约翰、史密斯先生。 
788. My book has a dark blue cover. 我的书本的封面是深蓝色的。 
789. My brother and I used to go a lot of places together.  我和我哥哥过去常常一起去一些地方。 
790. My brother came in,changed his clothes,and went out again.  我的母亲进来了，换好衣服后又出门了。 
791. My brother gets up later than I do.  我的哥哥比我起床要晚。 
792. My brother got up earlier than I did.  我的哥哥比我起得早。 
793. My brother has a bad headache. 我哥哥很头痛。 
794. My brother is a member of the faculty.He teaches economics.   我的哥哥是一名教员.他教经济. 
795. My brother is not quite twenty-five.   我的哥哥没有岁。 
796. My brother is see king a job． 我弟弟正在找工作。 
797. My brother is two years younger than I am.   我的弟弟比我小两岁。 
798. My brother took a trip to Mexico. 我哥哥去了莫斯科旅行。 
799. My brother took lessons on the trumpet for nearly ten years.   我的哥哥练习吹喇叭将近十年了. 
800. My brother used to speak French to me all the time.  我的哥哥过去总是给我讲法语。