解放军文职考试：短文改错。

 文中共有10处语言错误,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：把多余的词用斜线       划掉：
     修改：在错的词下划一横线,并在其下面写出修改后的词。
     注意：1.每处错误及其修改均仅限一词；
                 2.只允许修改10处,多者(从第11处起)不计分。
     Attention please, everyone!
     About 50 students from American will come to our school for the visit on October 4th, Sunday. Our
class will greet them. We will meet at the school gate at 8:40 am and giving them a warm welcome. They
will arrive at 9:00 am, and then we will show the American students to the schoolyard, the lab building or
the teaching building. There will have a friendly basketball game on the playground at 10:00. We will leave our schools at 11:00. We should polite to our guests and talk with them in the English.
     That"s all. Thank you.
______________________________________________________________________________
答案 : Attention please, everyone!
     About 50 students from American will come to our school for the visit on October 4th, Sunday. Our
                                     1. America
class will greet them. We will meet at the school gate at 8:40 am and giving them a warm welcome. They
                                                       2. a                                           3. give
will arrive at 9:00 am, and then we will show the American students to the schoolyard, the lab building or
                                                                                                  4. around                                    5. and
the teaching building. There will have a friendly basketball game on the playground at 10:00. We will leave
                                                 6. be                                                                               7. They
our schools at 11:00. We should ∧polite to our guests and talk with them in the English.
    8. school                              9. be                                                       10. 去掉
     That"s all. Thank you.