So many directors ________, the board meeting had to be put off.
#91635
A
were absent
B
been absent
C
had been absent
D
being absent
推荐题目
I send you books today, the rest ________ in a few days. 
#90963
A
follows
B
following
C
will follow
D
to follow
Whether you believe it or not, it is _________ that causes your illness.
#91474
A
because of your overweight
B
you are so overweight
C
because you are overweight
D
your being overweight
Most of the problems ______, he has a tight schedule every day. 
#91575
A
remaining unsettled
B
remained unsettled
C
remaining unsettling
D
remained unsettling