3.       original: admittedly, to build a shopping center close home will take some noise at the beginning construction, but as the community numbers, we have to look forward for the further convenience. revised: admittedly, building a shopping center close to home will make some noise, particularly at the beginning of the construction, but as a community, each citizen will have the future convenience to look forward to.

close后面跟名词，必须用介词to联接。

noise一词不可以用take作动词

iii.  alternative expressions

a.    the expression “as far as i know” indicates the speaker has an opinion or view based on limited knowledge. example: as far as i know, his parents are paying for his education. other ways to express this meaning:

(i)   “based on what i know” – example: based on what i know, eating processed meat is unhealthy.

(ii) “to my knowledge” – example: to my knowledge, it is better to sleep well before a big exam than to stay up all night studying.

(iii) “it is my understanding that” – example: it is my understanding that americans like to eat sandwiches for lunch.

b.   the expression “in this case” refers to a situation that is different from one mentioned before. other ways to express such a meaning:

(i)  “under such conditions” – example: c’mon, you don’t expect to be ready for the marathon. you haven’t been running for one month and are out of shape. under such conditions, you won’t be able to finish.

(ii)  “in this scenario” – example: i do not agree withyourproposal and i would like to submit my own proposal for the president’s review. my proposal maps out a new plan. in this scenario, the company will certainly succeed.

c.    the expression “on the contrary” signals an opposing idea from one mentioned before. example: his straight a’s made him overconfident that he would be admitted into his choice university. on the contrary, however, he painfully found out that grades alone do not guarantee college admission.

(i)  on the other hand - example: on the other hand, i am not allowed to stay out past 1:00 a.m.

(ii)  when in fact - example: he thought he had passed the test, when in fact he had failed.

——选自《手把手教你toefl作文》http://blog.sina.com.cn/s/blog_508481ea01008ygp.html