I didn't know _____ you were getting on well with your work.
#71978
A
because
B
how
C
that
D
which
推荐题目
The old couple, ____had been admitted to university, were living a hard life．
#70118
A
both their children
B
both of whom children
C
both of whose children
D
whose their children
Air, or _______ is called the atmosphere, surrounds the whole world.
#72829
A
what
B
which
C
that
D
it
A war is so cruel that it always causes great losses, ____ has happened in Iraq and other countries.
#74194
A
what
B
which
C
as
D
one
Why not try your luck downtown, Bob? That’s ______ the best jobs are.
#73023
A
what
B
where
C
when
D
why