She and my father e________ me to study,and in t

She and my father e________ me to study,and in t
he end I was the first person in my family to go to university.
Medical t_______and better public health services are the most r________ for these changes.for sth.作为（某事物）的原因； 应归功于
My English wasn't good last year,but it has _______ this year.
In Australia,two young business people have i______ a new way to use people as advertisements.
Three teachers and thirty pupils from Park Lane School arrived home s_____ last night after their school trip to Germany almost ended in disaster.