So they do not fit the profile of people I'm used (to),as a

So they do not fit the profile of people I'm used (to),as a Mum used to be afraid of the dark.So _________ I.A.did B.do they do as they used to do The ancient people used stones as t___ to do lots of things. ①they do not want to help me,so i have to do the work a() ②t As close friends ,they used to do to school < > A ()one of the people from sichuan i'm proud of it They are so People aren't so kind as they used to be这里的used to be 如何理解 Computers are not so expensive as they ____to be.A.useB.used my ()OF hearing is not so good as it used to be i'm used to( ) this kind of job?A doing B do 选哪个? i have a lot of()to do so i can not go with you