have,to,in o'clock,I,bed,by,be,ten(.)连词成句

I have to be in bed by ten o'clock.[用in bed提问] I have to be in bed by ten o'clock.这句中 by ten o'clock是什么意思,为什么不是at,have to be in bed 是什么句型. I have to be in bed by ten o’clock.的同意句是什么? have,to,in o'clock,I,bed,by,be,ten(.)连词成句 英语首字母填空 I have to b( ) in bed by ten o'clock. it.s 7 o.clock in the evening.i have to go home合并为一句话 I have to ____ (be)in bed by nine o' clock I have to be home by 10 o'clock(对10 o'clock 提问） Every night I have to go to bed-------10 o’clock.Me too.A.by B.when C.in I have to get up at 6 o'clock () in the morning.A.early B.late C.every We have our l____from eight o'clock in the morning to for o'clock in the afternoon. 填空 Can't you watch TV______school nights?No.I have to be______bed______ten o'clock.A:in;on;byB:on;on;inC:on;in;byD:in;in;at I have to get up at seven o' clock .对划线部分提问at seven o' clock 用适当的短语填空I usually( )at six o'clock.I have milk and bread( ).After breakfast I take a shower,and then I( ).I get to school at eight o'clock.I have four classes in the moring.I have lunch at school.( ),I have two chasses.I get home at f 我晚上10:00前必须上床睡觉.I have to﹙﹚ in bed﹙﹚o'clock in the evening. 我晚上10：00前必须上床睡觉.I have to ﹙ ﹚in bed﹙ ﹚ ten o'clock in the evening. I have to be in bed (by ten o'clock).对括号内的提问_______ _________ you _______ ________ be in bed? I have to be in bed ___ ten o'clock.选A还是C呢?A.at B.in C.before D.after