假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用（＼）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1．每处错误及其修改仅限一词；

　　　2．只允许修改10处，多者（从第11处起）不计分。

Behind my apartment, there was used to be a dirty and messy corner．Bits of plastic bags hanged on the trees．Broken bottles were left laying here and there．There was a damaging car in the center．The whole corner gave away an unpleasant smell．One year ago, we decided to turn it in a beautiful park．Since then, great changes have been taken place in that corner．All the rubbish have been cleared away．Flowers and young trees have planted all over．Now birds come here to sing, children come here to play, and adults come here to enjoy our peaceful life．It has taken on a new look．

最近的一份调查表明中国青少年的体质明显下降，青少年的健康问题日益受到社会的关注。请根据下列提示，以“The health of Chinese youngsters—a big concern”为题，写一篇100词左右的英语短文。

    1．现状：青少年体质明显下降，有许多诸如肥胖、近视等健康问题；

    2．原因：作业负担过重，睡眠不足，缺乏锻炼；

    3．建议：改革现行教育制度，减轻学生负担，使学生有更多睡眠和锻炼的时间。

参考词汇：肥胖 obesity  近视short-sightedness  改革 reform

The health of Chinese youngsters—a big concern

________________________________________                                         

 Thank you for sending us ______ fresh vegetables of many kinds. You have done us ____ great service.

       A．/；a                    B．the；a                 C．/；/                    D．the；/

 Jack recommended me a few foreign movies, but _______ was to my taste.

       A．all                  B．neither              C．some                 D．none

 --- When did you last hear _______ Jay?

--- He phoned me this morning, and we agreed ______ a time and place to meet.

       A．of ; to              B．about; with         C．from; with                               D．from; on

 The ______ amount of money was not known though they knew it was large.

       A．real               B．exact              C．possible        D．great

 --- Jim managed to get into his house without the key．_______？

--- I don't know. He might have asked someone for help．

       A．What for             B．So what             C．Guess how        D．Who knows

 In our daily life, everyone fails every now and then. It is how you react that makes a ______.

       A．development        B．difference            C．progress              D．life

 ______ with her graduation paper, Mary has no time to do a part-time job.

       A．Being occupied                            B．Having occupied

       C．To be occupied                          D．Having been occupying

 Broadly speaking, I would agree with Shirley, though not ________．

       A．widely              B．entirely              C．extremely       D．eventually