She has to _(在)in bed by 10 o'clock.可以填stay吗

She has to _(在)in bed by 10 o'clock.可以填stay吗 外语：连词成句（1)has,by,in bed,she,to,ten,o`clock be She has to be in bed by ten o'clock she has to be bed ---- ten o'clock请问横线上填什么 I have to be in bed by ten o'clock. she has a headache and she has to stay in __(a/the/不填) bed 为 he has to be ____ bed ___ nine o'clock A、at;at B、to;by C、in; I have to be in bed by ten o'clock.[用in bed提问] Marry has a bed cold.She has to stay in 【 】bed.该用什么冠词么 jack has to go to bed by ten o'clock 改为一般疑问句 She has to go to bed before ten o"clock 改一般疑问句 1.She has to go to bed ____ nine o'clock.A.afte