—Amy, I called you yesterday evenin
g, but nobody answered the phone.
—Oh, I ________ a walk with my mother at that time.
A.take B.took C.am taking D.was taking
—Amy, I called you yesterday evening, but nobody answered the phone.
—Oh, I ________ a walk with my mother at that time.
A.take B.took C.am taking D.was taking
D