一、倍数增减的表示法1) Force N1 _(比力N2大2。5倍)。2) This substance _(反应速度是另外那种物质的三倍)。3) The earth _(是月球大小的49倍)。4) The landlord _(想将租金提高三分之一)。5) They _(计划将投资增加一倍)。二、时态1) Be quick, _(否则等我们到达教堂婚礼就该结束了)。2) When she got home, _(孩子们已经睡着了)。3) When I prepare for the college entrance examination, _(我姐姐将在海边度假)。4) I_(一上午都在修改我的简历)。5) Do you often go on holiday? _(不，我已经有五年没有度假了)。6) He joined the army in October, 2001。 _(他参军已五年了)。三、被动语态1) The blackboard and chalk _(正在被电脑和投影机所取代)。2) The book _(到今年年底就将已出版)。3) Computer models _(可以用来演示细胞工作的方式)。4) When the bill of fare was brought, _(我惊呆了，价格大大超出了我的预料)。5) _(必须立即采取有效措施)to eliminate sandy storms。四、情态动词1) The phone is ringing, _(但是没人接听。她一定不在家)。2) I cant find my sunglasses。 _(我可能昨天落在咖啡店里了)。3) You screamed in your sleep last night。 _(你一定梦见什么可怕的东西了)。4) Its a pity。 _(你本应该邀请她来参加你的毕业典礼的)。5) _(其实我没必要穿上我最好的套装去参加那次聚会的); most of the guests were wearing jeans and sweaters。五、虚拟语气1) I wish _(我年轻的时候有你们这样的机会)。2) If only _(他知道这病是可以治好的)! Then he would not have killed himself。3) Would you like him to paint your door with yellow stars? Id rather he _(漆成蓝色的，而且不带任何装饰)。4) Its high time that _(采取措施解决交通堵塞的问题)。5) Hugh usually talks _(仿佛在大会上发表演说似的)。6) We insist that _(让杰克立刻进医院）。7) It was advised that _(在居民区设立更多的流动商店)。8) His proposal was that _(他们成立一个专门委员会来检查这个问题)。9) We are going to discuss his suggestion that _(取消期中考试)。10) It is ridiculous that _(我们在一个总是下雨的国家还缺水)。11) It is essential that _(每个人都为紧急情况做好准备)。12) _(如果他按照我告诉他的办法订票), we would have had quite a comfortable journey。13) I was to have made a speech _(要不是有人把我的话打断了)。14) It didnt rain last night。 _(要是下了，地就会湿的)。15) _(如果我一直住在纽约), I would know the U.S. well now。16) If the doctor had not come in time, _(他现在就不在人间了)。17) But for his help, _(我们就不会以这么低的价格租到房子了)。18) I used my calculator; _(否则，我会花更长的时间才能算出这道题)。19) Were I in your place, _(我会毫不犹豫地抓住机会)。20) Had it not been for their opposition, _(这项法案早就通过了)。21) Should there be another world war, _(人类的继续存在就会有危险)。22) He walked lightly _(以免惊醒婴儿)。六、不定式1) It was a great achievement _(10个月建成一栋24层的楼)。2) It is necessary _(我们在考试前好好地睡一晚上觉)。3) It is generous _(你把这么多钱捐给灾区人民)。4) The teacher decided _(不惩罚那些上课迟到的学生)。5) Mr. Green was wondering _ (是否去看望在法国的儿子)。6) The gardener _(刚才警告我不要在中午给花浇水)。7) We _(请他给我们做有关现代艺术的讲座)。8) He feels it challenging _(在这么大一所大学做学生会主席)。9) We hope to have more opportunities _(把我们在课堂上学到的东西应用于实践)。10) The bad weather _(破坏了我们在露天放电影的计划)。11) The environmentalists are against _(在郊区建一座核电站的决定)。12) Sally Ride was the first _(探索外部空间的美国妇女)。13) They lifted a rock _(结果砸了自己的脚)。14) He was surprised _(在这个山村遇见一个中学同学)。15) I am sorry _(占用了您这么多时间)。16) I happened _(在他冲进来的时候站在门口)。17) She doesnt like _(被当作客人)。18) If you want to save money, youd better _(到校园书店买旧书)。19) We did nothing _(除了整天打桥牌)。20) We were made _(进屋之前在垫子上擦擦脚)。七、分词1) This is the first time that I heard _(用意大利语唱“祝你生日快乐”)。2) The cars _(停在消防通道的) will be ticketed。3) The war went on for years, _(夺去了成千上万人的生命)。4) The farmers used a new insecticide, thus _(将平均产量提高了15%)。5) Einstein watched the toy in delight, _(想推导出它的运转原理)。6) _(看到大家都在聚精会神地看书), we stopped talking and began to study。7) _(被这个男孩的事迹深深打动了), they decided to pay for his education。8) _(从一个年轻朋友的眼光来看), Einstein was a simple, modest and ordinary man。9) _(好久没有收到父母的来信了), he was worried about them。八、动名词1) _(每天洗冷水澡) does him a lot of good。2) They tried to avoid _(让女儿做她不喜欢的事情)。3) Developing varieties is the key to _(使我们的产品进入国际市场)。4) It is no use _(为洒了的牛奶而哭泣)。5) He denied_(偷看了同桌的试卷)。6) We congratulated her on _(被提升为经理)。九、非谓语动词用法区别1) Success means _(非常努力地工作)。2) John meant _(开车去那儿，但他的车出了故障)。3) I heard him _(在跟他的母亲谈话)。4) I heard him _(跟他的母亲谈了一个小时)。5) He jumped into the pool to save the child _(结