can ( ) his homeword before nine o'clock.

back before nine o’clock. he usually _____ ____(做完)his homework before nine o'clock 填什 改同义句!I often can't finfish my homework before nine o'clock.（ He ___ ___ there before nine o' clock. He didn't do his homework until nine o'clock. By nine o’clock, He usually____(reach) his office before seven o'clock. reach nine o' clock 的意思 It is nine o clock . School s____at nine o'clock. School at nine o’clock nine o clock in the