school begins at nine.改同义句school【 】at nine

school begins at nine.改同义句school【 】at nine school begins at nine.改同义句 school【 】 at nine. school begins at nine o'clock变否定句 My school stat at nine o clock 改否定句` school starts at nine ten否定句 School at nine o’clock School s( ) at nine oclock School begins at nine.就划线部分提问,划线部分是at time. I go to school at half past nine.的同义句 their school [ ]at nine o'clock School ____ at nine o'colck. The English class begins at nine o'clock.句型转换同义句___ ___ ___