I should apologize to you for failing to
题型:选择题
问题:
I should apologize to you for failing to visit you last week, but I've been very busy_____ the past few months.
A.since
B.before
C.among
D.over
I should apologize to you for failing to visit you last week, but I've been very busy_____ the past few months.
A.since
B.before
C.among
D.over