I think Olivia will visit our camp A)at a week B) in a week C)on a week D)for a week

Question

I think Olivia will visit our camp
A)at a week
B) in a week
C)on a week
D)for a week

Answer 1

I think Olivia will visit our camp IN A WEEK. (B)

Answer 2

I think Olivia will visit our camp for a week