Unit 1
1.我累了。昨晚我不该那么晚睡觉。(should not+动词完成时)
I am tired,I shoule not have gone to bed so late last night.
2.我和Bob不是很熟，不过我们偶尔一起出去喝一杯。（occasional）
I don’t know Bob very well,but we go out for an occasional drink together.
3.我们应该到火车站接她。（be supposed to）
We’re supposed to meet her at the railway station.
4.你可以清楚地看到有人快要淹死（drown）,而你却没有采取行动救他们（take action）You chould clearly see people drowning,but yet you took no action to save them.
5.包括周末在内，仅仅还有12天时间可以用来买圣诞（Christmas）礼物（including）Including weekends,there are only twelve more days to buy Christmas presents.
6.如果不立即采取行动，许多种野生动物就会因饥饿而死亡（without,hunger）Without immediate action,many kinds of wild animals would die from hunger.
越快乐)we will be.
，we should learn to cherish the invaluable campus life.
我们才能学好英语)。
that leads us to the threshold of colorful and wonderful foreign world.
11.There isn’更别提)any guests.
Unit 2
1.那首歌总是使她回想起在芝加哥度过的那个晚上（remind…of…）
The song always remind her of the night spent in Chicago.
2.街角处刚巧有一位警察，我便向他问路（happen to,corner）
Their happened to be a policeman at the corner of the street,so I asked him the way. 3.由于天气恶劣，今天所有去纽约的航班都延误了（delay）
Because of the bad weather,all of the flights flying to New York are delayed.
4.谁有责任谁就必须赔偿损失（whoever,responsible）
Whoever is responsible must pay for the damagellist.
5.我找不到我的支票簿。我准是把它留在家里了。（checkbook,must have）
I can’t find my checkbook and I must have left if at home.
6.到足球比赛快开始时，暴风雨停了（by the time）
By the time,the football match was going to start,the storm had already stopped.
直到失去健康)that people know the value of health.
脏衣服)。
，we decided to put the meeting off.
给我印象最深的)were her liveliness and sense of humor.
不如我们制造的那些发动机功率大0
Unit 3
1.除非你有经验，否则你得不到这份工作（unless）
Unless you have experience,you won’t get this job.
2.我把大部分时间花在研究中美文化的差异上了（spend）
I have spent most of the time researching the difference between China and American
culture.
3.这句话意思极清楚，绝不会引起误解（so that）
The meaning of the sentence is so clear that it won’t cause any misunderstood.
4.他希望能够给予她比现在更多的帮助（more than）
He wishes he could give her more help than he does now.
5.穿上外套，否则你会感冒（or）
Put on your overcoat,or you will catch a cold.
6.她的收藏品中增加了一张毕加索（Picasso）的画（add…to…）
She added a picture of Picasso’s to her collection.
7.我没意识到以前曾来过这儿（be aware of）
I am not aware of ever having been here before.
8.如果你继续对每个人这么粗鲁，你很快就会发现自己什么朋友都没有了（find oneself without）
If you keep being rude to everyone,you will quickly find yourself without any friend.
意识到吸烟的危害)。
关系他人的烦恼)
他把书放在一边)and began to listen to me.
轮流用吧).
Unit 4
1.房间里热极了，请把窗户打开！（far too）
It’s far too hot in the room;open the window,please!
