He waited until it was dark ____ nobody could see him clearly.
#72328
A
so that
B
in order to
C
although
D
however
推荐题目
It is well known to us all ____ China sent up a manned spaceship to outer space successfully last year.
#73136
A
that
B
what
C
which
D
when
There are 104 elements found in nature, ___ are metals.
#71700
A
most of it
B
that
C
most of which
D
mostly
A fast food restaurant is the place ____, just as the name suggests, eating is performed quickly.
#72041
A
which
B
where
C
there
D
what
He finally bought several books by Tom, _____ is one.
#74036
A
which of them
B
which of whose
C
of which this
D
any of them