3．He reached Beijing in 1998，____， some time later，he became a professor．
4． ____is said above，the number of the students in our school has increased．
5．Write a letter to a friend，____has some difficulties with his studies．
6．There are four rooms in the house，____ is a drawing room．
7．We will move into the new house next week，____it will be completed．
8．When lost in work，he often was，____he would forget all about eating and sleeping．
9．He is a model worker，____we can learn a lot．
10．They had to delay the sports meet till next week，____the weather will be fine．
11．The workers，____stayed there for two years，came from Africa．
12．The building over there is a hospital，____ is a small river．
13．We shall have to make a decision about Ms King，____story I've just told you．
14．Mr Liu，____I spoke of just now， would go to Australia．
15．The Nile，____electricity is produced，now runs regularly below the dam．
Keys：1．A／B2．B3．G4．A（As）5．C6．M 7．H 8．A 9．J10．F 11．L 12．K 13．E 14．C ／D 15．I
在英语中，为了避免重复，句子中的某些部分经常省略，却给理解增加了困难。在近几年的高考试题中，省略现象也十分常见，其基本要点总结如下：
一、并列句中某些相同成分的省略。
This beeper works well, but that one doesn't (work well).
这个寻呼机工作正常, 但那个就不行。
I study at college and my sister (studies) at high school.
我读大学，我妹妹读高中。
二、在when, while, if, as if, though, until, once, whether, unless等连接的状语从句中, 常省略跟主句相同的主语和be动词。
When (I am) in trouble I always turn to her for help.
当我有困难时总是找她帮助。
The letter is to be left here until (it is) called for. 这封信留在这里待领。
三、有形式主语it的主语从句可省略that。
It is an honor (that) I was invited to your birthday party.
我很荣幸被邀请参加你的生日聚会。
It is the third time (that)I have come to China.这是我第三次来中国。
四、在限制性定语从句中可省略作宾语的关系代词whom, which, that。
That is the naughty boy (whom/that) we talked about last week.
他就是我们上周议论的那个淘气男孩。
Is this the radio (that/which) you bought last Saturday?
这是你上周六买的收音机吗?
五、在direction(方向), way(方式), distance(距离), time(时间), times(倍数)等后面所接的定语从句中常省略that, which, in which。
The direction (in which) we move a body can be changed.
我们移动物体的方向是可以改变的。
The distance (which或that)light travels in one second is 300, 000 kilometers.
光每秒走的距离是30万公里。
六、命令句、惊叹句、部分第一人称的陈述句、部分问句和答句中省略最为常见。joozone.com