All is needed is a Supply of oil．
#78508
A
the thing
B
that
C
what
D
which
推荐题目
Move the plants to a south-facing window, ________they can absorb daytime heat.
#77562
A
that
B
when
C
which
D
Where
We went through a period _____ communications were very difficult in the rural areas.
#76554
A
which
B
whose
C
in which
D
with which
David, _____ I have been sharing a dorm for more than two years, is quite a funny guy.
#75475
A
of whom
B
with whom
C
in whom
D
from whom
He had a lot of friends, only a few of ______ were invited to his wedding.
#76923
A
whom
B
them
C
which
D
who