My uncle will be back from Beijing a week.A in B for C afer

My uncle will be back from Beijing a week.A in B for C afer My father will be back from Beijing ___ a week.A.in B.for C. my father will be back from Beijing ___ a week(in/for/after/ 选择.My sister ____ in a week.A.will back B.will be back C.is My friend will be back from Shanghai ______ a week.A.for B.a My father will be back from Beijing ________ a week． our math teacher （为了）Beijing for a week.She will be back in My aunt said she came back ( ) a week A.for B. in C.after My mother isn’t in now.But she will be back A.in B.for C.bef I will be back ( ) a moment.A of B in C on D for He will be back __ a few weeks.A.in B.on C.for D.at My aunt will come back from Beijing ________.A.before long B