He has lived ___ for many years.A.to abroad B.in abroad C.on abroad D.abroad

He has lived ___ for many years.A.to abroad B.in abroad C.on abroad D.abroad
My grandparents lived with me ___2010.
A.since B.for C.at D.in
There is nothing important this afternoon,so you ___ come to school.Really?Thank you very much.
A.needn't to B.needn't C.don't need D.not need
如果我没弄错这个应该选A不是C,don't need后面要跟一个to对么?