.The Forbidden City is an area ＿＿ once only the emperor, his family and officials were allowed.
#34335
A
which
B
who
C
where
D
whose
推荐题目
You must learn to consult your feelings and your reason ________ you reach any decision.
#31191
A
although
B
before
C
because
D
unless
Read this story, _______ you will realize that not everything can be bought with money.
#31187
A
or
B
and
C
but
D
so
Then Wang Ping flashed a switch on a computer screen，and a table and some chairs rose from under the floor by magic.
#31822
A
only if
B
even if
C
as if
D
what if
(2010·上海)Wind power is an ancient source of energy ________ we may return in the near future.
#30491
A
on which
B
by which
C
to which
D
from which