填介词 Students usually go to school at ___ seven o'clock in Ch

填介词 Students usually go to school at ___ seven o'clock in Ch I usually go to school at seven o'clock.对划线部分提问,（画usually） she usually go to the school at seven o'clock 哪儿错了 He usually goes to school at seven o'clock.对at seven o'clock Kids usually go to school ___ seven or eight.填介词 I go to school at seven o'clock.（对at seven o'clock 提问） we go to school at seven o'clock every.at seven o'clock 提问 I go to school at seven o'clock in the evening.(画线部分提问） ____ I often go to school ( ) seven o'clock.A.at B.in C.on They go to school( )seven o'clock in the morning ( I usually go to school at 8o'clock I usually get up at ___ seven o'clock,___填什么