英语改错题，10处错误，大神们帮帮忙啊！拜托了

Question

At present we are living in a good age. Therefore, there are still a small number of people who don't act responsible. His bad behaviors are out of place in our civilizing society. For an example, some people often risk their lives to disobey traffic rules. Littering is still a serious problem. Some people are often seen to spit in public places. Bad still, it is common to find silly things writing by some tourists in scenic spots.
To my opinion, everyone should learn to become a responsible citizen. We must aware that everything we do in public places will affect others and we should break our bad habits. As long as we obey the rule in every field and are filled with care and love, our world will become better.

Answer 1

At present we are living in a good age. 【Therefore改成 However】, there are still a small number of people who don't act 【responsible 改成 responsibly】. 【His 改成 Their】bad behaviors are out of place in our 【civilizing 改成 civilized】society. For 【an 去掉 】example, some people often risk their lives to disobey traffic rules. Littering is still a serious problem. Some people are often seen to spit in public places. 【Bad 改成 Worse】 still, it is common to find silly things 【writing 改成 written】 by some tourists in scenic spots.
【To 改成 In 】my opinion, everyone should learn to 【become 改成 be】 a responsible citizen. We must aware that everything we do in public places will affect others and we should break our bad habits. As long as we obey the 【rule 改成 rules】 in every field and are filled with care and love, our world will become better.

Answer 2

行 1 : age => era
行 2: responsible => responsibly; His => These
行 3: to => for
行 4. to spit => spitting ; Bad => But ; writing => written
行 6 : To => In
行 7: break => get rid of
行 8: are filled => be filled

Answer 3

Therefore改成However

act responsible改成act responsibly

His bad behaviors改成Their bad behaviors

in our civilizing society改成in our civilized society

For an example改成For example

seen to spit 改成seen spitting
Bad still改成Worse still

writing by改成written by

To my opinion改成In my opinion

must aware that改成must be aware that