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 have two elder brothers, ____ in the army for ten years.
#91130
A
the elder of whom served
B
the older having served
C
the older of which served
D
the elder one has served
It would be a good idea to use a plastic bottle, ___cut off, as a container to grow young plants in.
#91674
A
of which the top
B
the top is
C
the top of which
D
with its top