PAST SIX MONTHS/ I/ WORK/ HALLS DEPARTMENT STORE//A. FOR THE PAST...
95. past six months/ I/ work/ Halls department store//
a. For the past six months I have worked in Halls department store.
b. In the past six months I Worked in the Halls department store.
c. Since the past six months I have worked in the Halls department store.
d. During the past six months I am working in Halls department store.