题目内容
15.I'm afraid our personal relationships over years may be lost after you move out.( )A. | building up | B. | built up | C. | having built up | D. | to be built up |
分析 我担心你搬出去后,我们多年建立起来的个人关系也许会失去.
解答 答案:B 题干中build up作relationships的后置定语,build up与relationships之间构成动宾关系,且句意表达的客观事实,要用过去分词形式.故选B.
点评 过去分词是非谓语动词的一种,用法很灵活,分为简单式done(表示与谓语同时或几乎同时发生的动作);完成式having been done(表示先于谓语的动作).学习时,要把握其用法特征:表示被动和完成.同时还要注意区分现在分词和不定式.

练习册系列答案
相关题目
6.It is said that Tom's brother fell off his bicycle on his way to work,_______ in the right leg.( )
A. | seriously damaged | B. | hurting badly | ||
C. | broken seriously | D. | badly hurt |
3.The sale usually takes place outside the house,with the audience ______ on benches,chairs or boxes.( )
A. | having seated | B. | seated | ||
C. | seating | D. | having been seated |
10.From the school name on the package,we guessed that it might belong to a student of our school.( )
A. | to mark | B. | marking | ||
C. | marked | D. | having been marked |
20.As is known to all language learners,the newly learnt words will soon be forgotten unless used in everyday communication.( )
A. | gradually | B. | exactly | C. | frequently | D. | likely |
7.IP addresses are the unique sequence of numbers ______ to each computer,websites or other Internet-connected devices.( )
A. | to assign | B. | assigning | C. | assigned | D. | being assigned |