There were some chairs left over _____ everyone had sat down.
#74422
A
when
B
until
C
that
D
where
推荐题目
Is this factory ___________?
#70725
A
the one your father works in
B
where your father works
C
which your father works
D
your father works in
British scientists have produced _____ they believe is the world’s smallest Christmas card．
#69025
A
which
B
who
C
that
D
what