----____________when has he started boxing?----2006, I suppose.
#79753
A
In
B
Since
C
Before
D
After
推荐题目
Unlike watching TV, reading is a highly active process (过程) _______ it requires attention as well as memory and imagination.
#80167
A
until
B
but
C
unless
D
for
(2013·江西南昌一模)It hasn't been made clear ________ the new underground line is to be open to traffic.
#30422
A
when
B
that
C
what
D
where
How can you expect to make progress ______ you never listen in class?
#33457
A
before
B
until
C
though
D
when
I don't know why she is looking at me she knew me. I've never seen her.
#31806
A
as
B
although
C
even if
D
as if