短文改错。

      此题要求改正所给短文中的错误.对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾；如有错误(每行只有一个错误),则按下列情况改正:

     此行多一个词:把多余的词用斜线划掉,在该行右边横线上写出该词,并也用斜线划掉。

     此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

     此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

     注意:原行没有错的不要改。

     Attention, please, everyone. We've accepted the                                                1. ______

weather forecast in the radio this morning that                                                          2. ______

there will have a heavy rain tonight. Be sure                                                             3. ______

to shut the windows and doors until you leave                                                          4. ______

your classrooms. The sports meet when we planned to                                            5. ______

hold it tomorrow will be put off. After it becomes                                                     6. ______

fine, we'll make other announcement. We will                                                          7. ______

have classes on Wednesday as usually. Since it is                                                    8. ______

colder tomorrow, please dress on more clothes in time.                                           9. ______

Those come to school by bike, don't keep your                                                      10.______

umbrellas open while riding.

硬横跨由（）和（）组成。