Question

短文改錯
        此題要求改正所給短文中的錯誤。對標有題號的每一行作出判斷:如無錯誤,在該行下邊橫線上畫一個勾;如有錯誤(每行只有一個錯誤),則按下列情況改正:
        此行多一個詞:把多余的詞用斜線(\)劃掉,在該行下邊橫線上寫出該詞,并也用斜線劃掉。
        此行缺一個詞:在缺詞處加一個漏字符號,在該行下邊橫線上寫出該加的詞。
        此行錯一個詞:在錯的詞下劃一橫線,在該行下邊橫線上寫出改正后的詞。
        注意:原行沒有錯的不要改。

Dear Editor,  
     Recently, my classmates have had a heated discussion
about that we should have optional                                           1.________
courses in high schools. Some students were in favor                2.________
of the optional courses. They say interest is best teacher           3.________
and his spare time will be colorful and meaningful.                    4.________
Students cannot only enlarge their knowledges but also            5.________
improve their abilities. However, others are against the
idea, said that optional courses will take up too                        6.________
much time as well as energy. In addition to, some optional        7.________
courses have something to do with the                                     8.________
College Entrance Examination. They are afraid they'll fall
behind their classmates if they will take the optional                  9.________
courses. I'd like to take one or two of the optional
courses, which, I think, will certain benefit me a lot.                 10.________
                                                Yours truly,
                                                   Li Hua

Answer 1

Dear Editor,   
     Recently, my classmates have had a heated discussion
about that we should have optional                                                1._whether
courses in high schools. Some students were in favor                     2.__are__
of the optional courses. They say interest is ∧ best teacher           3.__the__
and his  spare time will be colorful and meaningful.                        4.__their_   _
Students cannot only enlarge their knowledges but also                 5._knowledge
improve their abilities. However, others are against the
idea, said that optional courses will take up too                              6.__saying_
much time as well as energy. In addition to, some optional              7.   去掉to  
courses have something to do with the                                           8.__nothing_
College Entrance Examination. They are afraid they'll fall
behind their classmates if they will take the optional                       9.   去掉will   
courses. I'd like to take one or two of the optional
courses, which, I think, will certain benefit me a lot.                      10._certainly_
Yours truly,
Li Hua