Must I be home before eight o'clock,Mum?be home 采用什么用法?

Must I be home before eight o'clock,Mum?be home 采用什么用法? Must I be home before eight o'clock be home 的用法和意思是什么? he must be home before six o'clock Must I be home before seven? we must be home by four o'clock是什么意思? 自学英语求解答.He has to be home before six o'clock.be在这里的用法和作用? Must I be home before seven?的回答 We must ____ home by eight o'clock. I will be home at seven o'clock.【汉译】 I have to be home by ten o'clock.为什么不是be at home? I'm supposed him to be at home by ten o'clock at night.什么意思? 改错题 you must are home before ten o'clock.