School s( ) at nine oclock

School s( ) at nine oclock school begins at nine.改同义句school【 】at nine school begins at nine.改同义句 school【 】 at nine. School at nine o’clock School starts at nine o'clock. School ____ at nine o'colck. school starts at nine ten否定句 ①l go to school at around eight o’clock and school s____at nine o‘clock②The movie,My father's Birthday is a very s_____ comedy School starts at nine o'clock.（改为一般疑问句） School starts at nine o'clock变一般疑问句 school stats at nine o'clock改为一般疑问句 school starts at nine o'clock什么意思 school begins at nine o'clock变否定句 My school stat at nine o clock 改否定句` They have nine clubs at school对划线部分提问 划线部分是nine 英语翻译One,two,there,four,Mike is at the litchen door.Five,six,seven,eight,Mike is at the school gate.Nine,ten,nine,ten,Let’s say it again. At around eight o'clock,l go to school school starts at nine o'clock. 英语一般现在时,当主语是第三人称单数时动词要加“s”但下面问题不解School begins at nine. School at three.这两个句子中的 begins ends 为什么也要加“s呢