At 9 o'clock ,my teacher came to my home and began the class.有语法上的错误吗?

My father u___ goes to work at 9 o'clock. My mother often gets home at eight o'clock.针对at eight o'clock.提问 I have () in the shop at twelve o,clock.可填 supper tea breakfast lunch my school （ 填空 ） at eight o'clock. At eight o'clock, my brother______( do) his homework. My father --- --- --- ---(看报）at eight o'clock last night At three o'clock in the afternoon my school ( ) At three o'clock in the afternoon my school( ) My school stat at nine o clock 改否定句` At there o'clock in the afternoon my school 连词成句 4o'clock finishes class at my we ( ) there at 9:00 o`clock 12o'clock at My parents arrive at home at seven o'clock in the evening.对at seven o'clock划线部分提问 my clock is ringing at seven o’clock in the morning 这句话对么? At 9 o'clock ,my teacher came to my home and began the class.有语法上的错误吗? my father came back home at nine o'clock last night.对at nine o'clock划线提 对画线部分提问：my sister goes to school at seven o’clock(划线的是at seven o’clock)