The parcel arrived in the post at 11 am, ______ I was still at work. A. when B. which C. where D. that
The parcel arrived in the post at 11 am, ______ I was still at work.
A. when
B. which
C. where
D. that
The parcel arrived in the post at 11 am, ______ I was still at work.
Chọn A