jack has been a diligent person ( ) his childhood.

Jack is such a diligent student that he has already made___. He_up early since his childhood.D.has been used to getting为何 I ____him since his childhood.A.have been knowing.B.had been Jack has a book in his Every jack has his 11:The trip has ______ his memory of his childhood. 请问jack has been busy _ his report.这句话中应该填什么 jack has lost his job and been worse off than ever It has been proved ___ eating vegetables in childhood helps 英语翻译Once it has been proventhat a person has a specific dise Every Jack has his Jill. Never has he got through such pains since his childhood.