Although he knew little about the large amount of work done in the field , he succeeded ____other more well-informed experimenters failed.
#80107
A
as
B
unless
C
what
D
where
推荐题目
How can you expect to make progress ______ you never listen in class?
#33457
A
before
B
until
C
though
D
when
I was walking along the road _____ someone patted me on the shoulder from behind.
#30746
A
while
B
immediately
C
when
D
the moment
she was out of the room, he took a quick look at the papers on her desk.
#30733
A
If
B
While
C
Though
D
Unless
______ private cars are bringing us convenience, they also cause more traffic accidents and pollution.
#80233
A
While
B
As
C
If
D
Since