______, the conference began.
#91020
A
The candidates having taken their seats
B
The candidates had taken their seats
C
Taken their seats
D
Taking their seats
推荐题目
Many strange new means of transport have been developed in our century, the strangest of _______ being perhaps the hovercraft(气垫船).
#91232
A
which
B
them
C
that
D
it
I watched everyone hurrying to and fro, most with eyes ____ the ground.
#91414
A
fixed on
B
fixing on
C
to fix on
D
fix on
With all the problems ______, the manager went home and had a good rest.
#91523
A
solved
B
to solve
C
solve
D
solving
The possibility __________ pleasant smells might reduce pain has recently been suggested by new research.
#91212
A
where
B
what
C
which
D
that