1. by chance _____        
2. by accident _____
3. by mistake _____                  
4.  by luck_____
5. by design _____
6. by good fortune_____
7. by necessity_____
8. I met an old friend of mine _____  in the street.
  我在街上偶然碰到了老朋友.
9. — How did you find your lost bike?
        你如何找到的你丢失的自行车?
    — _____.
         凑巧找到的.
10. I had no trouble passing on the driving test in the end ___.
      由于运气好最后我通过了驾照考试.
11. He has finished his task ahead of time______.
      由于进行了周密的筹划,他提前完成了任务.
12. The war will break out between the United Sates and Iran_____ in time.
      伊美之间迟早会不可避免地爆发战争.

1. 发生,引起____
2. 出版,出来____
3. 来到；合计,总共是；苏醒过来____
4. 结束____
5. 赶上,提出____
6. I____an old school friend in Oxford Street this morning.
    今天早上我在牛津大街碰见一位老校友．
7. Perhaps I shall ____   him somewhere in the  park.
   也许我会在公园的某个地方遇到他.
8. How did it____that you didn't report the accident until two days later?
    你怎么两天后才汇报这次事故?
9.  Can you tell me when your new book will ____?
    你能告诉我你的新书何时出版吗?
10.  The scientists are beating their brains trying to ____ a solution to the problem.
       科学家正绞尽 脑汁,力求找到解决这个问题的办法.

1. carry on (doing sth/with sth. )_____
2.  carry out _____
3. carry out a plan/orders/instructions_____
4. carry sth through _____
5. carry about _____
6. carry away_____
7. ____ your work while I'm away.
   我不在的时候,要继续做工作.
8. They decided to_____in spite of the weather.
    他们决定不管天气好坏都坚持.
9. They decided to____working in spite of the bad weather.
    尽管天气不好,他们决定继续工作.
10.  It is a difficult job but he's the person to___it ___ .
       这是一项很难的工作,但他成功地完成了.
11. That's why when we lose we try not to get too despondent and we won't be getting too___now,
      there's definitely work to be done.
     这就是为什么当我们失去时不要太沮丧,我们不会此时就失去自制力,肯定还有许多工
    作要做.

1.  Only after he was taken to the police station____ stealing.
     只有当他被带到警察局后,他才承认偷窃.
2. Only in this way________the help you  need.
   只有用这种方法,你才能得到你所需要的帮助.
3. Only when one loses freedom____ its value.
    只有当一个人失去自由时,他才会懂得自由的价值.
4. Only by taking a taxi________the airport on time.
    只有乘出租车你才能按时到达机场.

1. 这位老人一直在与病魔斗争.
_____________________________________
2. 这两个队之间的斗争很艰苦.
_____________________________________

1. expand in / into _____
2. expand on____
3.  expand one's views____

1. Metals _____   when they are heated.金属遇热则膨胀.
2. Our foreign trade____during recent years.近
  年来我们的对外贸易有所扩大.
3. The petals of many flowers____in the sunshine.
   许多花的花瓣在阳光中绽放.
4. There are no plans to____.
    没有扩建地方机场的计划.
5) It's said that the river____,where almost connects to other country.
    据说这条河延伸到很远的地方,几乎连接了另一个国家.

1. 他患了甲流,因此住院了.
___________________________________________________
2. 我们的人口在增长,因此我们需要更多的食物.
___________________________________________________
3. 这个懒惰的女孩正梦想着嫁给一个有钱人,从此不再工作.
___________________________________________________

1.  pick up _____                            
2. put up _____
3. hold up _____  
4. set up____
5.  bring up _____            
6.  take up _____
7. give up______
8. All the pressure____and he was off work for weeks with stress .
    各方面的压力越来越大,他因负荷太重有 好几个星期没上班.
9. She has_____a very successful business.
    她创办的生意很红火.
10. If you are____a competition you may wish to increase your fitness and endurance.
      如果你参加竞赛的话,你有望增强你的体质和耐力.
11. The play was____be a masterpiece but I found it very disappointing.
      那部戏被捧为杰作,但我却大失所望.
12.  She____ a valuable first edition at a village book sale.
13.  She____ the story where John had left off.
14.  You ought to____ smoking;I gave it up last year.

1. 使某人做……____
2. 过……样的生活
3. 把……领进……
4. 引路；带路____
5. 领先
6. Too much work and too little rest often____ illness.
     过量的工作和过少的休息会引起疾病.
7.  Such a mistake would perhaps____disastrous consequences.
     这样一种错误可能导致灾难性的后果.
8.  This has____think out other solutions to the problem.
     这就使得科学家不得不想其他解决问题的方法.
9.  The receptionist________to the meeting  room
     接待员领路来到了会议室.
10.  She____the drawing-room.
        她带我进入客厅.
11.  Young people must____in fashion.
       年轻人必须引领潮流.