英语不懂,请教中He is to continue as manager我不懂he is to是什么意思,为什么会有be

英语单选is he leaving tomorrowNO.he'll continue to stay here for He is what he used to be.是什么意思? he is not what he used to be 为什么不能how he used to be he is not the man---- he used to be 肯定能填that 为什么不能填 as'呢? 翻译：he was as happy as it is given to a man to be. he is supposed to be there on time 请问是什么意思? 连词成句 used to ,he ,Paula ,be ,as friendly as ,is As he had little time,the manager asked us to be brief and _ As he had little time, the manager asked us to be brief and 英语“众所周知”( As ) is know to us , he is admitted to a key unive he is too cute to be straight. 5.,he is good at drawing.A.To be a child B.A child as he is