1.She has to go to bed ____ nine o'clock.A.afte

1.She has to go to bed ____ nine o'clock.A.afte He has to go to bed b__ nine o 'clock.Please r____ to bring he has to be ____ bed ___ nine o'clock A、at;at B、to;by C、in; lt's nine o'clock mike must ____（go）to bed. Go to bed at nine o'clock.改为否定句 I go to bed at nine o'clock. i go to bed at nine o'clock every evening对 nine o'clock 提问 I go to bed ( ) about nine o'clock every day.A.at B.in C.on She has to go to bed before ten o"clock 改一般疑问句 The Wangs at nine o'clock at night.(go to bed /goes to bed/g I go to bed at nine o'clock in the evening.这句话里,at I go to bed nine o'clock in the evening.这句话哪里错了