I was out of town at the time, so I don’t know exactly how it _______. 
#104951
A
was happening
B
happened
C
happens
D
has happened
推荐题目
—Ring me at six tomorrow morning ,will you?—Why that early? I_____.
#100884
A
will be sleeping
B
have slept
C
have been sleeping
D
will sleep
Until we have discussed all the details, no decision _______ about any new operations.
#102112
A
will be made
B
is made
C
is being made
D
has been made