假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌的以下作文。文中共有10处语言错误，每句中最多有两处，每处错误仅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：把多余的词用斜线（\）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。

The world is not only hungry, but also thirst． This may sounds strange, since nearly seventy percent of the earth's surface is covered with water． But about ninety percent of this is sea water． Man and most of the animals can only drink and use the remained ten percent of water --- fresh water． The need for water is increased day by day． Only when steps are taken to deal with this problem immediate can we avoid a severe worldwide water shortage later on． One of the first steps are to develop ways to reuse them． Experiments have already carried out in this field． The used water has been pumped to a water purifying plant that it can be separated from waste matters and treated with chemicals so that it can be reused again．

作为一名刚刚升入高三的学生，请你用英语给班主任王老师写封邮件，内容至少包括以下三个方面：

1．升入高三的感受。

2．高三学习计划和高中毕业后的打算。

3．对高三任课教师的建议。

注意：

1．词数120~150。

2．可适当增加细节。

3．文章开头、结尾已写好。

Dear Mr. Wang,

Time flies. Two years has passed before I know it.

Sincerely yours,

Tom

--- Is your new team-mate a good guy?

    --- Yes. He is kind, skillful, hard-working and intelligent; ____, I can’t speak too highly of him.

   A. on the contrary   B. by the way   C. in a word   D. as a result

---Do you still smoke heavily?       

--- No. In fact, it is two years since I ____.  

A. have stopped smoking               B. smoked   

D. began to smoke                    D. started to smoke

This is the second time that the top 10 list of popular novels _____ published by this magazine.

   A. has been        B. are        C. is        D. have been

____ red is a symbol of warmth, it can sometimes make people feel uneasy or even frightened.

   A. As            B. Since              C. If                D. While

The course normally attracts 20 students per year, ________up to half will be from overseas.

A. in which        B. for whom     C. with which       D. of whom

Everything was perfect for the picnic _____ the weather.

A. in place of       B. as well as         C. except for          D. in case of

_______it comes to traffic rules, I often come across such cases ________the local drivers obviously know them but won’t follow them.

A. If; why             B. As; which       C. Once; as          D. When; where

—Hi Susan! Can you help me to decide what to buy for Peter’s birthday?

—Sure. _______

—Well, Peter loves music, so I thought I would give him a CD.

A. Can I ask you for some advice?         B. What do you have in mind?

C. That is a great idea!                   D. How about a Rolling Stones CD?