英语的一个小问题这是新概念上的一句话（你必须在10点半前到家）you must be home at a half pa

英语must be学了新概念第一册一课,如下课文,you must be home at past half eleve You must be home at half past ten.和 You must come home at ha you must be home at half past ten.是否也可以you must come home at you must be home at half past ten. 英语问问问you must be home at half past ten 这个句子 中的be 我可不可以理解为：ho 一.You mustn't come home late. You must be home at half past 1 you mustn't come home late.you must be home at half past t You must be home at . you must be home at You must be home at half pass ten.可以以把be改为come吗? you must be home at half past ten.为什么不用come? 还问个英语语法问题新概念英语2册的水平有这样一句话Over a hundred people must have bee