Choose the best answer to complete the sentences

1...present,theyare listening to country music
a at b in c during d about
2 fortunately , we came back from a terrible trip ... last
a at b since c in d on
3 they will work on the report...the next two days
a in b for c since d by
4 we have returned to new york ....the tenth of may
a since b until c in d at